Merge branch 'esp8266-native-library-backend' into esp8266-native-build-spec

2026-08-30 17:46:01 +00:00 · 2026-08-28 13:07:04 -05:00
parent a928609b72 b1a048e27d
commit 9cefbd1901
35 changed files with 4876 additions and 9428 deletions
@@ -0,0 +1,16 @@
+{
+  "hooks": {
+    "SessionStart": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "d=\"${CLAUDE_PROJECT_DIR:-.}\"; [ -x \"$d/venv/bin/python\" ] || { mkdir -p \"$d/.temp\"; env -u VIRTUAL_ENV \"$d/script/setup\" >\"$d/.temp/setup.log\" 2>&1 || echo '{\"systemMessage\":\"script/setup failed; see .temp/setup.log\"}'; }",
+            "statusMessage": "Setting up dev environment (script/setup)...",
+            "timeout": 900
+          }
+        ]
+      }
+    ]
+  }
+}
@@ -7,146 +7,146 @@ namespace esphome::captive_portal {

 #ifdef USE_CAPTIVE_PORTAL_GZIP
 constexpr uint8_t INDEX_GZ[] PROGMEM = {
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+    0x5a, 0x81, 0x7d, 0x25, 0xc0, 0x91, 0xe6, 0xa7, 0xfd, 0x2d, 0x5d, 0xfd, 0x4e, 0x5b, 0xf0, 0x4b, 0x6a, 0x78, 0x05,
+    0x65, 0xf0, 0x3e, 0xfe, 0x80, 0x8d, 0xdd, 0x0b, 0xc0, 0x15, 0x37, 0x9d, 0xa0, 0x7b, 0x52, 0x2e, 0x85, 0x62, 0x77,
+    0x65, 0xb0, 0xa8, 0xd7, 0x92, 0x39, 0x70, 0x04, 0x3e, 0x04, 0x07, 0x01, 0x16, 0x49, 0xf2, 0x86, 0xda, 0x06, 0xb7,
+    0x74, 0xe7, 0x0f, 0x04, 0x97, 0x7e, 0xfa, 0xa3, 0x0f, 0x4f, 0x92, 0x38, 0x0e, 0x26, 0xfd, 0x27, 0x0e, 0xa2, 0x24,
+    0x8e, 0x17, 0x1a, 0xec, 0x5a, 0x4b, 0x64, 0xfd, 0x32, 0xef, 0xa8, 0x6d, 0x50, 0x45, 0xbc, 0x37, 0x49, 0x8a, 0x92,
+    0xe7, 0x38, 0x9d, 0xfd, 0x86, 0x9f, 0xa2, 0x2b, 0x9c, 0xce, 0xd8, 0xd3, 0x70, 0x86, 0x92, 0xab, 0x70, 0x86, 0xd2,
+    0x14, 0xcf, 0x50, 0xfc, 0xc9, 0x43, 0x35, 0x17, 0x82, 0x78, 0x52, 0x49, 0xf0, 0x90, 0xb1, 0x5a, 0xdd, 0x01, 0xf1,
+    0xd8, 0x5a, 0x6b, 0x90, 0xf6, 0x5a, 0x09, 0xa5, 0xbd, 0xa8, 0xf8, 0xe6, 0x7f, 0x01, 0x5a, 0x4d, 0xa5, 0xa9, 0x95,
+    0x6e, 0x89, 0xd7, 0xa7, 0xdb, 0x7f, 0x74, 0x90, 0x47, 0xe4, 0x3e, 0xc1, 0x05, 0x33, 0x1c, 0xf2, 0x4a, 0x3c, 0x87,
+    0xf8, 0xcc, 0x8b, 0x8a, 0x32, 0x38, 0x9e, 0xa3, 0xb7, 0x2e, 0xfa, 0x31, 0x1e, 0xed, 0xbf, 0x2f, 0x73, 0xb3, 0x59,
+    0xa1, 0x5d, 0x2b, 0xa4, 0x21, 0x5e, 0x63, 0x6d, 0x97, 0x45, 0xd1, 0x76, 0xbb, 0xc5, 0xdb, 0x29, 0x56, 0x7a, 0x15,
+    0xa5, 0x71, 0x1c, 0x47, 0x66, 0xb3, 0xf2, 0xd0, 0x70, 0xf2, 0x5e, 0x7a, 0xe5, 0xa1, 0x06, 0xf8, 0xaa, 0xb1, 0x3d,
+    0x5d, 0x3c, 0x3a, 0xc0, 0x31, 0x77, 0x12, 0x45, 0xf9, 0xe1, 0xc2, 0x8a, 0xbc, 0xb0, 0x02, 0x2f, 0x2e, 0xf2, 0xf6,
+    0xb8, 0x0f, 0xf3, 0x29, 0x4d, 0x51, 0x8a, 0xe2, 0xfe, 0x97, 0x86, 0x8e, 0x1e, 0x57, 0xe1, 0x67, 0x2b, 0x74, 0xb1,
+    0x72, 0x54, 0x3b, 0x0f, 0x9f, 0x9f, 0x75, 0x13, 0xb7, 0xb3, 0x49, 0xe2, 0xfb, 0x0d, 0xa7, 0xf0, 0xcb, 0xfc, 0x72,
+    0x1d, 0xa6, 0xef, 0x2e, 0x05, 0x9c, 0xb5, 0x26, 0x79, 0x37, 0xa7, 0x33, 0x34, 0x1b, 0x77, 0x66, 0xa1, 0xa3, 0xcf,
+    0x2b, 0x34, 0xdb, 0xa4, 0x4d, 0xd2, 0x86, 0xf3, 0x70, 0x46, 0xa7, 0x68, 0x3a, 0x3a, 0x32, 0x45, 0xd3, 0x4d, 0xda,
+    0xcc, 0xdf, 0xcd, 0x2f, 0xf7, 0xc2, 0xe9, 0xa7, 0xc7, 0x2e, 0xb9, 0x59, 0x59, 0xde, 0x47, 0xae, 0x2f, 0x23, 0xc7,
+    0x1f, 0x15, 0x97, 0x7e, 0xe9, 0xf2, 0x0f, 0x96, 0x35, 0x7e, 0x19, 0x31, 0x25, 0x6b, 0xbe, 0xc2, 0x1f, 0x8d, 0x92,
+    0x65, 0x80, 0x6d, 0x03, 0xd2, 0x3f, 0xa9, 0xfa, 0x36, 0x38, 0xd8, 0x9e, 0xe3, 0x7f, 0x81, 0x73, 0xae, 0x7f, 0xcb,
+    0xad, 0x00, 0x62, 0xb1, 0xbb, 0xa1, 0x93, 0x2f, 0xdc, 0x8a, 0x9f, 0xf6, 0xbf, 0x56, 0x7e, 0xd9, 0x52, 0x56, 0x06,
+    0x98, 0x4b, 0x09, 0xfa, 0x16, 0x76, 0x96, 0x94, 0x6f, 0x5e, 0x5e, 0xa3, 0x97, 0x55, 0xa5, 0xc1, 0x98, 0x0c, 0x95,
+    0x4f, 0x2c, 0x6e, 0x29, 0xfb, 0xba, 0x7a, 0x93, 0x3c, 0xd4, 0xfe, 0x8b, 0xbf, 0xe6, 0xe8, 0x77, 0xb0, 0x5b, 0xa5,
+    0xef, 0x46, 0x7d, 0x67, 0x7f, 0xe1, 0xae, 0x91, 0x26, 0x5f, 0x85, 0x91, 0x60, 0xcb, 0x60, 0xc2, 0xbf, 0x2e, 0x60,
+    0x0c, 0xaf, 0xca, 0x60, 0x42, 0xbf, 0x2e, 0xd1, 0x19, 0x77, 0x79, 0x2d, 0xa6, 0x9d, 0xc1, 0x46, 0x70, 0x06, 0x7e,
+    0x12, 0xe0, 0x5a, 0xe9, 0x57, 0x94, 0x35, 0x0f, 0x12, 0xe4, 0x5c, 0x51, 0xf7, 0x38, 0x4c, 0x03, 0xb5, 0x30, 0x42,
+    0xf9, 0x65, 0xc5, 0x37, 0x65, 0xb0, 0x50, 0x98, 0x09, 0x6a, 0x8c, 0x6b, 0x19, 0xc4, 0x39, 0xe7, 0xc2, 0x29, 0x27,
+    0x6a, 0x88, 0xf4, 0x97, 0xdb, 0x37, 0xbf, 0x91, 0x32, 0xa7, 0x43, 0x47, 0xf4, 0xbe, 0xf3, 0x50, 0x2f, 0x4c, 0xbc,
+    0x51, 0x30, 0x14, 0x50, 0xdb, 0xbe, 0xe2, 0x7d, 0x8b, 0xb5, 0x31, 0x3c, 0x38, 0xe6, 0xa6, 0xa3, 0xf2, 0x73, 0x31,
+    0x17, 0x93, 0x57, 0xe4, 0x91, 0xe3, 0x15, 0x79, 0x44, 0x8b, 0x47, 0x07, 0xe9, 0xf7, 0xcd, 0xed, 0x2e, 0x38, 0x3a,
+    0x6b, 0x7f, 0xaf, 0x41, 0xef, 0x6f, 0x40, 0x00, 0xb3, 0x4a, 0xfb, 0x25, 0xbe, 0x54, 0x74, 0x45, 0x01, 0x3b, 0x7b,
+    0x3d, 0x36, 0x5c, 0x8b, 0xdd, 0xe6, 0x44, 0x61, 0x25, 0x99, 0xe0, 0xec, 0x8e, 0x9c, 0x23, 0x0e, 0x0e, 0x1c, 0x6f,
+    0xa8, 0x58, 0xc3, 0x49, 0x86, 0xe2, 0x5a, 0xb1, 0xb5, 0xf1, 0x83, 0xe3, 0x44, 0x63, 0xda, 0x75, 0x20, 0xab, 0xeb,
+    0x86, 0x8b, 0xca, 0x57, 0xc1, 0x31, 0xb8, 0x3f, 0xe9, 0xcf, 0x8c, 0xbb, 0x59, 0xf0, 0x5e, 0x83, 0xf8, 0x87, 0x3c,
+    0x76, 0xd3, 0xe0, 0xf1, 0x87, 0x32, 0xc0, 0x7d, 0xfc, 0xe5, 0xfd, 0x48, 0x70, 0xd7, 0xfb, 0xc9, 0xae, 0x15, 0x13,
+    0x17, 0x7a, 0x38, 0x9f, 0x05, 0xc7, 0xf2, 0x18, 0x1c, 0x83, 0x45, 0x1e, 0x0d, 0x8d, 0xbd, 0xc8, 0xfb, 0x96, 0xdb,
+    0x8f, 0x94, 0x9e, 0x32, 0x0d, 0x80, 0x7d, 0xd0, 0xe2, 0x7f, 0x3c, 0x2c, 0xd5, 0x2e, 0x34, 0xfc, 0x13, 0x97, 0xab,
+    0x8c, 0xcb, 0x06, 0x34, 0xb7, 0xc7, 0x8a, 0x6f, 0x26, 0x5c, 0x76, 0x6b, 0x7b, 0xe8, 0x68, 0x55, 0x39, 0xce, 0xac,
+    0xdb, 0x2d, 0x6a, 0x25, 0xad, 0x93, 0x84, 0x2c, 0x81, 0xf6, 0x38, 0xf0, 0xfb, 0xe6, 0x93, 0x3d, 0x9f, 0x7d, 0x7f,
+    0x5c, 0xaa, 0x6a, 0x7f, 0x70, 0x19, 0x0a, 0xa9, 0xe0, 0x2b, 0x99, 0x31, 0x90, 0x16, 0xf4, 0xa0, 0x54, 0xd3, 0x96,
+    0x8b, 0x7d, 0x66, 0xa8, 0x34, 0xa1, 0x01, 0xcd, 0xeb, 0xe3, 0x72, 0x6d, 0xad, 0x92, 0x07, 0xe6, 0x9a, 0x6d, 0xf6,
+    0x5d, 0x5d, 0xd7, 0x0b, 0xb6, 0xd6, 0x46, 0xe9, 0xac, 0x53, 0xbc, 0xd7, 0x5b, 0x52, 0x76, 0xb7, 0xd2, 0x6a, 0x2d,
+    0xab, 0x70, 0x14, 0x4a, 0x6a, 0x3a, 0x05, 0xb6, 0x58, 0x2a, 0x5d, 0x81, 0xce, 0xe2, 0x91, 0x08, 0x35, 0xad, 0xf8,
+    0xda, 0x64, 0x78, 0xaa, 0xa1, 0x5d, 0x0c, 0xee, 0x24, 0x71, 0xfc, 0xfd, 0xe2, 0xe4, 0x79, 0x7c, 0xe9, 0x37, 0x4e,
+    0x9d, 0x94, 0xe0, 0x12, 0xc2, 0xa1, 0x57, 0x66, 0x29, 0xbe, 0xd2, 0xd0, 0x1e, 0x5b, 0xca, 0xe5, 0xa5, 0xf7, 0xae,
+    0xa2, 0x16, 0x2d, 0x97, 0xc3, 0x28, 0xcd, 0xd2, 0x79, 0xdc, 0xed, 0x16, 0xe3, 0xe4, 0xca, 0xb8, 0xec, 0x11, 0xfa,
+    0xf9, 0x75, 0x3c, 0x15, 0xc9, 0xe1, 0xe3, 0xda, 0x58, 0x5e, 0xef, 0xc3, 0x71, 0x24, 0x67, 0xa6, 0xa3, 0x0c, 0xc2,
+    0x25, 0xd8, 0x2d, 0x80, 0x5c, 0xf4, 0xb0, 0x21, 0xb7, 0xd0, 0x9a, 0x53, 0x6a, 0x4e, 0x70, 0xb5, 0x80, 0xdd, 0x19,
+    0xa6, 0xaf, 0xe5, 0xc3, 0x7f, 0x96, 0x76, 0x05, 0x76, 0x68, 0xa9, 0x5e, 0x71, 0x19, 0x2e, 0x95, 0xb5, 0xaa, 0xcd,
+    0xc2, 0xa7, 0xdd, 0x6e, 0x31, 0x6e, 0x39, 0xb0, 0x2c, 0x89, 0xbb, 0xdd, 0xb1, 0x1f, 0xc3, 0xa7, 0x7c, 0x5f, 0xd5,
+    0xcf, 0x68, 0x12, 0x7f, 0x21, 0xc7, 0x55, 0x5d, 0xa7, 0xcb, 0xfa, 0x94, 0xe3, 0xa4, 0xdb, 0x21, 0xa3, 0x04, 0xaf,
+    0x46, 0xb8, 0x1e, 0x09, 0xc5, 0xe7, 0xd4, 0x26, 0xb3, 0x6e, 0x87, 0x92, 0xcb, 0xcc, 0xb8, 0x89, 0xea, 0xa6, 0x8e,
+    0xab, 0xb5, 0x22, 0x8f, 0x86, 0x97, 0x8e, 0xab, 0x8c, 0x22, 0x77, 0x19, 0x2e, 0xf2, 0x26, 0x41, 0xbc, 0x22, 0x2d,
+    0x65, 0xc5, 0x45, 0xdb, 0xcb, 0xa3, 0x26, 0x39, 0xb1, 0x9a, 0xa4, 0x78, 0xd0, 0xd2, 0x06, 0x5e, 0xef, 0x7d, 0x71,
+    0xad, 0xa4, 0x04, 0x66, 0xb9, 0x5c, 0x21, 0xab, 0xd0, 0x98, 0x02, 0x8c, 0x71, 0xbe, 0xd4, 0xc5, 0x5b, 0x01, 0xd4,
+    0x00, 0xda, 0x52, 0x6e, 0x71, 0x1e, 0x0d, 0xf2, 0x43, 0x13, 0xe0, 0x15, 0x91, 0x60, 0xcf, 0xd7, 0xbe, 0x99, 0x0e,
+    0x06, 0x6e, 0xc0, 0x3a, 0x24, 0x67, 0x60, 0x5a, 0xe4, 0x6e, 0x3a, 0x23, 0xda, 0x5f, 0x60, 0x12, 0x6d, 0x79, 0xcd,
+    0xdd, 0xeb, 0xa6, 0xc8, 0xfb, 0x22, 0x77, 0x08, 0x2e, 0xcf, 0xc3, 0xd3, 0xab, 0xa7, 0x04, 0xc8, 0x95, 0x6d, 0xc8,
+    0x34, 0x45, 0x9d, 0xa0, 0x0c, 0x1a, 0x25, 0x2a, 0xd0, 0xe4, 0xe6, 0xe6, 0xd7, 0x9f, 0x0b, 0xe7, 0xcc, 0xbd, 0x5e,
+    0x67, 0xee, 0x06, 0x35, 0x47, 0x8c, 0x5a, 0xf3, 0xab, 0xe1, 0xc1, 0xd5, 0x51, 0x63, 0xb6, 0x4a, 0x57, 0x0f, 0x30,
+    0xde, 0x8e, 0x9b, 0x03, 0x4e, 0xff, 0xef, 0xaf, 0x4a, 0x71, 0x43, 0x37, 0x90, 0x47, 0xe3, 0x22, 0x8f, 0x9c, 0xc3,
+    0x03, 0xbf, 0x19, 0xe5, 0x9a, 0xa4, 0xf8, 0xe3, 0xf6, 0x25, 0xfa, 0xb3, 0xab, 0xa8, 0x85, 0x21, 0x6d, 0x7d, 0x54,
+    0x2d, 0xd8, 0x46, 0x55, 0xe4, 0xed, 0x1f, 0x37, 0xb7, 0xe7, 0x08, 0xd7, 0xbd, 0x10, 0x02, 0xc9, 0x86, 0xa7, 0xdf,
+    0x5a, 0x58, 0xde, 0x51, 0x6d, 0x7b, 0xd8, 0xd0, 0x35, 0x98, 0x53, 0x0c, 0x3d, 0xbf, 0xe6, 0x02, 0x86, 0x30, 0x06,
+    0xc5, 0x02, 0x9d, 0xbc, 0x3a, 0x59, 0xfb, 0xcc, 0xaf, 0x68, 0x38, 0xed, 0x68, 0x38, 0xfa, 0xa8, 0x7f, 0x05, 0xff,
+    0x0b, 0x54, 0xcf, 0x54, 0x8b, 0x15, 0x0b, 0x00, 0x00};

 #else  // Brotli (default, smaller)
 constexpr uint8_t INDEX_BR[] PROGMEM = {
-    0x1b, 0x08, 0x0b, 0x00, 0xe4, 0x7f, 0x9b, 0xad, 0xbb, 0x97, 0x53, 0xde, 0xb7, 0x25, 0x0e, 0x69, 0xd4, 0x69, 0x89,
-    0xba, 0xa5, 0x55, 0x22, 0x04, 0x27, 0xeb, 0x00, 0x52, 0xac, 0xbc, 0xec, 0x5f, 0xfb, 0xb5, 0x7a, 0x12, 0x0a, 0xd6,
-    0x48, 0x84, 0x4a, 0x48, 0x5a, 0xcb, 0xbd, 0xb7, 0x72, 0x66, 0x4e, 0x62, 0xd8, 0xbd, 0x7f, 0x88, 0x68, 0x86, 0x28,
-    0xd6, 0xf1, 0xda, 0x2c, 0xa2, 0x32, 0x5c, 0xdd, 0xab, 0xb2, 0x15, 0xbc, 0x24, 0x13, 0xe6, 0xbd, 0x0c, 0x52, 0x63,
-    0x82, 0x88, 0x6d, 0x74, 0x71, 0x51, 0x9c, 0xe2, 0x40, 0x56, 0xea, 0xb0, 0x5c, 0xb7, 0x1d, 0x81, 0x3a, 0x0c, 0xf2,
-    0xd7, 0xa8, 0x5c, 0x35, 0x2d, 0x43, 0xb3, 0x42, 0x37, 0x7c, 0x60, 0xd8, 0xc1, 0x95, 0x91, 0x94, 0x3c, 0x29, 0x20,
-    0x96, 0x20, 0xf6, 0x24, 0xb7, 0x83, 0x4a, 0x06, 0xf1, 0xc3, 0x2f, 0x88, 0x50, 0x55, 0x35, 0x2d, 0xe8, 0xb6, 0x21,
-    0x38, 0x61, 0x8e, 0x44, 0x2a, 0xac, 0x39, 0xcf, 0x74, 0xaa, 0x31, 0x7f, 0x62, 0x32, 0x9b, 0x99, 0x42, 0x0a, 0xf6,
-    0x6f, 0xd8, 0x89, 0x3f, 0x49, 0xb1, 0xa2, 0x52, 0x0a, 0x8e, 0xb3, 0x27, 0x0b, 0x07, 0x07, 0x58, 0xb0, 0x8f, 0xaa,
-    0xdc, 0x68, 0x12, 0x0f, 0x95, 0xbf, 0xc7, 0x36, 0xd5, 0x60, 0x5a, 0xc7, 0x80, 0xac, 0x52, 0xf7, 0xa7, 0x2d, 0xb6,
-    0x64, 0xda, 0xda, 0x11, 0x8d, 0x6a, 0xe5, 0xba, 0xe9, 0xda, 0xdc, 0x62, 0xc3, 0xcb, 0xae, 0xc1, 0xe1, 0x11, 0xb6,
-    0x33, 0x29, 0x04, 0x09, 0xfe, 0x09, 0x08, 0xc2, 0x1f, 0x98, 0x16, 0x26, 0x0d, 0xce, 0xd7, 0x75, 0xfb, 0xd7, 0xa5,
-    0x82, 0xd7, 0x32, 0x44, 0x72, 0xc1, 0xc2, 0xe4, 0x15, 0xcb, 0x50, 0xfc, 0xd3, 0x58, 0x64, 0x34, 0x41, 0x32, 0xbe,
-    0x1f, 0x08, 0x43, 0x16, 0x14, 0xf7, 0x70, 0x2c, 0x1c, 0x61, 0x09, 0x78, 0x73, 0xd1, 0x30, 0xf6, 0xed, 0x85, 0x55,
-    0x50, 0x02, 0xf0, 0x68, 0x50, 0x5c, 0x1a, 0xd7, 0x3b, 0x8e, 0xf2, 0x23, 0xc8, 0x88, 0x39, 0xd0, 0x84, 0xf7, 0xa6,
-    0xd1, 0xa3, 0xfb, 0xe5, 0x44, 0xc0, 0x4c, 0x2f, 0x6f, 0x19, 0x70, 0x75, 0xf6, 0x1c, 0xb8, 0xce, 0x89, 0x4f, 0x01,
-    0x8d, 0xa1, 0x71, 0xf2, 0x97, 0xf8, 0xe7, 0xd3, 0xf1, 0xe1, 0xfa, 0xfc, 0xc8, 0x03, 0x78, 0x14, 0xa0, 0x3d, 0x28,
-    0xb7, 0xeb, 0x26, 0x52, 0x59, 0xa8, 0xb5, 0x0d, 0x5c, 0x8a, 0x6b, 0xe5, 0xf6, 0x30, 0xd6, 0xf7, 0x71, 0x31, 0xe8,
-    0xbd, 0xc9, 0xfa, 0xf5, 0x71, 0x9d, 0xff, 0xf6, 0x69, 0x62, 0x5f, 0xb5, 0xc7, 0x06, 0x43, 0x54, 0xb5, 0x87, 0xf1,
-    0xcc, 0x84, 0xe8, 0xb7, 0x56, 0x38, 0x43, 0x6a, 0xa6, 0x2f, 0x53, 0xd1, 0x89, 0x48, 0x8d, 0x72, 0x75, 0x4a, 0x17,
-    0xf6, 0x8d, 0xb2, 0xeb, 0xb1, 0x6b, 0x29, 0x1e, 0xd5, 0x74, 0xc7, 0xb3, 0xf4, 0xf1, 0x04, 0x0d, 0xbf, 0x08, 0x81,
-    0x8f, 0xfe, 0x8d, 0xfc, 0xf2, 0x35, 0x92, 0xa0, 0x24, 0x88, 0x12, 0x6a, 0xe6, 0x2f, 0x01, 0x94, 0x5c, 0x4b, 0xf9,
-    0x6b, 0x9a, 0xf6, 0x1a, 0x35, 0x11, 0x8a, 0xc6, 0x04, 0x8d, 0x50, 0x64, 0x48, 0x2d, 0x8b, 0xdf, 0xdf, 0xa1, 0xd1,
-    0xfd, 0x21, 0xd7, 0x40, 0x96, 0x00, 0xb1, 0x9f, 0x54, 0xc2, 0xe1, 0x00, 0x79, 0x15, 0x80, 0xf8, 0xca, 0x8e, 0xc5,
-    0x06, 0x03, 0xdf, 0x72, 0x49, 0xc0, 0x08, 0x27, 0x90, 0xe3, 0x14, 0xc2, 0xac, 0xc3, 0x83, 0xc9, 0xf6, 0x9d, 0x12,
-    0xab, 0x46, 0xae, 0x03, 0x74, 0x1d, 0x27, 0xce, 0x91, 0x1d, 0x4e, 0xb4, 0xbe, 0x80, 0xe7, 0x6a, 0x6d, 0x0a, 0x20,
-    0x47, 0x6b, 0x00, 0x4e, 0x25, 0x52, 0xe6, 0xf5, 0xe9, 0x43, 0x84, 0xc1, 0x0d, 0x4b, 0x04, 0xb3, 0x91, 0x49, 0xf5,
-    0xe9, 0xc4, 0x2e, 0x1b, 0xf9, 0x98, 0xf9, 0xea, 0x9e, 0xb8, 0xf6, 0x53, 0xf8, 0x42, 0xc2, 0x60, 0x5c, 0xa9, 0xd2,
-    0xfe, 0x0a, 0xe5, 0xd4, 0x7d, 0x36, 0x76, 0x04, 0x12, 0x38, 0xa1, 0xc4, 0x30, 0xb8, 0xf2, 0x69, 0x86, 0x5b, 0xe7,
-    0xe5, 0xa0, 0xc0, 0xfe, 0x91, 0x19, 0x03, 0x1e, 0xa9, 0x93, 0x26, 0x49, 0x58, 0xd5, 0xf6, 0x33, 0x4e, 0x0a, 0x89,
-    0x64, 0x1e, 0xb4, 0x7a, 0x5d, 0x0d, 0x12, 0xcf, 0x2b, 0xdd, 0x35, 0x90, 0x55, 0xc3, 0x0e, 0xcd, 0x0e, 0xad, 0x6b,
-    0x8f, 0x43, 0xd0, 0xb4, 0x6a, 0xdb, 0x4b, 0xe5, 0xa4, 0x9b, 0x09, 0x23, 0x1a, 0x43, 0xa9, 0xff, 0x61, 0x8b, 0x07,
-    0xd6, 0x0f, 0x83, 0x23, 0xbe, 0x8a, 0x66, 0xa2, 0x10, 0x2f, 0x11, 0x01, 0x0d, 0xc6, 0x96, 0xba, 0x87, 0xaa, 0xa8,
-    0x44, 0x7c, 0x1e, 0x34, 0xdb, 0xba, 0x41, 0x90, 0xf0, 0x7a, 0xdb, 0x63, 0x60, 0x96, 0x8d, 0x64, 0xcb, 0x2f, 0x28,
-    0x96, 0x04, 0xd5, 0xc0, 0x7a, 0xe8, 0xec, 0xd1, 0x61, 0x1b, 0x09, 0x4b, 0x4c, 0x6e, 0x1b, 0x31, 0x98, 0x9c, 0x6d,
-    0xdb, 0xd0, 0xec, 0xa4, 0x0f, 0x0a, 0xe0, 0xc8, 0x35, 0xc4, 0x93, 0xdc, 0xee, 0x19, 0x00, 0x80, 0x07, 0xf5, 0xcf,
-    0xe0, 0x7f, 0x75, 0xf8, 0x52, 0x3a, 0xfc, 0x0d, 0x84, 0xa5, 0xc1, 0xb2, 0x1c, 0x25, 0x40, 0xc5, 0x8b, 0xb3, 0xdb,
-    0x7a, 0x1b, 0x44, 0xff, 0x79, 0x9a, 0x26, 0xc4, 0xe7, 0x9e, 0x78, 0x4c, 0xa5, 0x94, 0xab, 0x78, 0x34, 0x9d, 0xb5,
-    0xb7, 0x24, 0x26, 0xe7, 0x9a, 0xf3, 0xe5, 0x2a, 0x35, 0x4b, 0xbe, 0x74, 0xd7, 0x01, 0xbc, 0x71, 0x72, 0x03, 0x5c,
-    0x40, 0x24, 0x17, 0x61, 0x5b, 0x7b, 0x19, 0xc2, 0x7f, 0x4e, 0x5b, 0x24, 0xfb, 0x8b, 0xc3, 0x51, 0x00, 0x3d, 0x09,
-    0x04, 0x05, 0x72, 0x64, 0xf6, 0xf0, 0x6b, 0x99, 0x38, 0x93, 0x5b, 0xac, 0x0c, 0xff, 0x40, 0x7b, 0x53, 0xba, 0xab,
-    0x61, 0xc9, 0xa2, 0xde, 0xd6, 0x2b, 0x0c, 0xbd, 0x85, 0xac, 0x4c, 0x64, 0x8b, 0xe6, 0x69, 0x2b, 0x56, 0x10, 0x1b,
-    0x08, 0x59, 0x6c, 0x55, 0x0a, 0xaa, 0x93, 0x85, 0x1d, 0x45, 0xda, 0xc6, 0x39, 0xe6, 0x6a, 0xab, 0x71, 0x73, 0x46,
-    0x0f, 0xf7, 0xab, 0x4e, 0x88, 0xae, 0x8c, 0xe0, 0x91, 0xda, 0x35, 0x8c, 0xd3, 0x18, 0x92, 0x3d, 0xab, 0x2f, 0x0d,
-    0xd6, 0xc9, 0x06, 0xdb, 0xc2, 0x62, 0xcb, 0x8a, 0x23, 0x5b, 0x28, 0x2e, 0x9b, 0x96, 0xc4, 0xc1, 0x42, 0xa9, 0x8d,
-    0x69, 0xe5, 0x8f, 0x89, 0x12, 0x11, 0x9a, 0x56, 0x3b, 0x3c, 0x2b, 0xb4, 0xb2, 0x7b, 0xfd, 0xdb, 0x80, 0x92, 0xb4,
-    0xca, 0x44, 0x37, 0x8c, 0x94, 0x2f, 0x4a, 0xb4, 0xc4, 0x28, 0x83, 0x8a, 0x78, 0xcb, 0xd2, 0x5c, 0x5c, 0x35, 0x29,
-    0x95, 0x35, 0x2f, 0x99, 0x28, 0x4f, 0x22, 0x18, 0x70, 0x85, 0xee, 0x2c, 0xb9, 0xef, 0x14, 0x57, 0x73, 0x23, 0x45,
-    0xae, 0xdc, 0x54, 0x56, 0x55, 0x78, 0x56, 0xad, 0x48, 0x26, 0x27, 0xbf, 0xcb, 0xd7, 0x54, 0xa9, 0xa8, 0xd7, 0xb5,
-    0x71, 0x9c, 0xe7, 0x79, 0x89, 0x5c, 0xa9, 0x6a, 0x53, 0xe8, 0xfa, 0x0d, 0x69, 0x36, 0xed, 0xad, 0x33, 0xc9, 0x75,
-    0x17, 0xe9, 0x8f, 0x31, 0x58, 0xa6, 0x27, 0xfc, 0x79, 0xc6, 0xb6, 0xd5, 0x65, 0x90, 0x31, 0xc6, 0x9d, 0x29, 0x95,
-    0x83, 0xe5, 0x4e, 0xbb, 0xd7, 0xdc, 0x8e, 0xd0, 0x3a, 0x54, 0x27, 0xce, 0xf5, 0xdb, 0xbd, 0x89, 0x3c, 0x61, 0xb3,
-    0x71, 0x23, 0xc7, 0x55, 0x9e, 0xea, 0x50, 0xe4, 0x37, 0xae, 0x72, 0x34, 0x66, 0xb9, 0x6e, 0x2c, 0x0a, 0x69, 0x8d,
-    0x94, 0x8b, 0x98, 0x08, 0x05, 0x3c, 0x45, 0x45, 0xe1, 0x6c, 0x22, 0xc5, 0x8f, 0x1f, 0x9f, 0x3f, 0xd2, 0x01, 0x12,
-    0xec, 0x86, 0x2f, 0x87, 0x8b, 0x47, 0x30, 0xd0, 0x77, 0x77, 0x1a, 0x13, 0x2d, 0xc6, 0x31, 0x65, 0x77, 0xd8, 0x8c,
-    0xe7, 0xe0, 0x16, 0xf9, 0x4b, 0xd4, 0xc5, 0xa8, 0x67, 0x79, 0xe7, 0xc3, 0x07, 0x94, 0x46, 0xa3, 0x8c, 0x67, 0xd3,
-    0xff, 0x5f, 0x96, 0xfa, 0xed, 0xa7, 0xd3, 0xdd, 0x4f, 0x27, 0x49, 0x27, 0xcf, 0xa4, 0x02, 0xc3, 0x27, 0x3c, 0x96,
-    0x64, 0x24, 0x55, 0xc8, 0x36, 0x45, 0x68, 0x90, 0xea, 0x03, 0x0b, 0x46, 0xa7, 0x8d, 0xb4, 0x26, 0x91, 0x07, 0x4c,
-    0x80, 0x7b, 0x93, 0xa8, 0x10, 0xcb, 0x5e, 0x8d, 0x42, 0x86, 0x3e, 0x2a, 0x7c, 0x99, 0x79, 0x8e, 0xcb, 0x43, 0x28};
+    0x1b, 0x14, 0x0b, 0x00, 0xe4, 0x6f, 0xcd, 0xfc, 0x7b, 0x2e, 0x27, 0xd2, 0x21, 0x2b, 0x58, 0xea, 0x16, 0xf8, 0xa5,
+    0xb6, 0x47, 0x14, 0xb3, 0x4c, 0x56, 0xcc, 0x20, 0x5b, 0x1d, 0xfe, 0x7d, 0xfb, 0xb5, 0x7a, 0x12, 0x0a, 0xd6, 0x48,
+    0x84, 0xa2, 0x21, 0x69, 0x0d, 0x77, 0x33, 0xf3, 0x77, 0xcf, 0x4c, 0x21, 0xf1, 0xde, 0xee, 0x7d, 0x44, 0xbc, 0xd3,
+    0xc4, 0x33, 0x89, 0x1a, 0x69, 0x68, 0x48, 0x57, 0xa7, 0x17, 0x0b, 0x4d, 0x91, 0xac, 0x30, 0x48, 0x21, 0x4d, 0x4c,
+    0x10, 0x57, 0x46, 0x14, 0x17, 0xd5, 0x21, 0x0e, 0xb4, 0x50, 0x87, 0xad, 0x62, 0xda, 0x11, 0x68, 0xc3, 0x20, 0x7f,
+    0x2d, 0xdc, 0x57, 0xeb, 0x2c, 0x36, 0xdb, 0xc4, 0x84, 0x0f, 0xac, 0xec, 0x08, 0x91, 0xa3, 0x92, 0x27, 0x45, 0xc4,
+    0x1e, 0xa4, 0x9e, 0x72, 0x3b, 0xc2, 0xe3, 0x20, 0x7d, 0xf8, 0x05, 0x09, 0xea, 0xe3, 0xa6, 0x3f, 0x11, 0x8b, 0x16,
+    0x11, 0x6b, 0x26, 0x91, 0x1a, 0x2c, 0x19, 0x24, 0xf7, 0x5d, 0x44, 0x82, 0x49, 0x44, 0x15, 0xce, 0x39, 0xdc, 0xcb,
+    0x8f, 0x5b, 0xe1, 0xe2, 0x42, 0x96, 0xa2, 0x10, 0x3c, 0x20, 0xa5, 0x65, 0x85, 0x49, 0x6a, 0x06, 0x08, 0xd1, 0xcb,
+    0x41, 0xb8, 0x49, 0x20, 0x73, 0x71, 0xfe, 0x55, 0x61, 0x45, 0xc6, 0x95, 0x72, 0xc8, 0xf0, 0xa5, 0xe9, 0xe6, 0x3a,
+    0xb9, 0xc3, 0x8a, 0x9f, 0xb5, 0xc1, 0xc9, 0x15, 0x56, 0x93, 0x38, 0x8a, 0x48, 0xf0, 0x4f, 0x38, 0x22, 0xe1, 0x8d,
+    0x55, 0xbb, 0x8c, 0xc3, 0xb0, 0x68, 0xcc, 0x7f, 0x6f, 0xf8, 0xc9, 0x9b, 0x38, 0x41, 0xf1, 0x94, 0x25, 0xf9, 0x6b,
+    0x56, 0xa2, 0xec, 0xa7, 0xbd, 0x2e, 0x69, 0x8e, 0xe2, 0xec, 0x36, 0x94, 0x24, 0x2c, 0x12, 0x1d, 0x4e, 0x76, 0x7e,
+    0x23, 0xcc, 0xf2, 0x6e, 0x35, 0x1a, 0x9c, 0xed, 0x6f, 0x15, 0x3f, 0xc9, 0x72, 0xdc, 0xfd, 0x13, 0x0f, 0x16, 0x8a,
+    0x23, 0x4f, 0xf9, 0x2e, 0x63, 0x44, 0x91, 0x77, 0xe0, 0xb3, 0xd1, 0x78, 0x74, 0xdb, 0x4a, 0x2c, 0xd8, 0xe8, 0xf9,
+    0x2c, 0x03, 0xbe, 0xae, 0xac, 0x4e, 0x42, 0x01, 0xc4, 0x4b, 0x40, 0xe7, 0x94, 0x34, 0x85, 0x2c, 0xfe, 0xf5, 0x74,
+    0x75, 0xd8, 0xdc, 0xec, 0x6a, 0x00, 0x3f, 0x3f, 0x81, 0x77, 0xa8, 0xcd, 0xde, 0x6d, 0x5a, 0x47, 0xa1, 0x99, 0x36,
+    0x87, 0xb6, 0x78, 0x35, 0x3c, 0x9a, 0x64, 0x15, 0x7c, 0x56, 0x76, 0x22, 0xce, 0x46, 0xe5, 0x17, 0x57, 0x05, 0xfc,
+    0x09, 0x69, 0xae, 0x39, 0xaa, 0xee, 0xc9, 0x4e, 0x7f, 0x99, 0x2a, 0x65, 0x82, 0x7e, 0xeb, 0x23, 0x4f, 0x42, 0xd5,
+    0xca, 0xcb, 0x42, 0x74, 0x2e, 0xd2, 0xa2, 0x62, 0x57, 0xd0, 0xa9, 0x7b, 0x4b, 0xac, 0x7b, 0x65, 0x13, 0x47, 0x0f,
+    0x2d, 0x3d, 0xf6, 0xbc, 0x78, 0x5c, 0xa3, 0xc9, 0x57, 0x4b, 0x10, 0x62, 0x68, 0x19, 0x7f, 0xfd, 0x1a, 0xcb, 0x51,
+    0x1e, 0x41, 0x39, 0x55, 0xf3, 0x97, 0x30, 0xca, 0x37, 0xb6, 0x42, 0x1d, 0x2d, 0x8c, 0xc6, 0x65, 0x8a, 0xd2, 0x89,
+    0x88, 0xa6, 0x28, 0xbd, 0x56, 0x7c, 0x2d, 0x5e, 0x0d, 0x2f, 0x9e, 0xc3, 0xa5, 0x80, 0xaf, 0xcc, 0x00, 0xde, 0xe6,
+    0x5a, 0x8b, 0xda, 0xff, 0x1f, 0x16, 0xc8, 0x83, 0x5e, 0xe5, 0xea, 0x25, 0x86, 0x70, 0x55, 0x25, 0x01, 0x14, 0x0c,
+    0x77, 0xd8, 0x31, 0x21, 0xcc, 0x79, 0x15, 0x3b, 0x32, 0x3a, 0xd3, 0xc5, 0x30, 0xaf, 0x03, 0xd8, 0x3e, 0x44, 0xb8,
+    0x63, 0xb5, 0x74, 0x4f, 0x41, 0x4b, 0xf0, 0x24, 0x74, 0xb2, 0x06, 0xb2, 0x7b, 0x06, 0x60, 0xdc, 0xc1, 0x3e, 0x0e,
+    0x6f, 0x1e, 0x3c, 0x42, 0xa0, 0xdb, 0x36, 0x43, 0x30, 0x71, 0xcc, 0xd6, 0x1a, 0xbd, 0x38, 0x61, 0x19, 0x3f, 0xf2,
+    0xdf, 0xf4, 0x53, 0x3d, 0xc1, 0x14, 0xbe, 0x50, 0x1c, 0x2c, 0xf3, 0xaa, 0x74, 0x36, 0xcb, 0xbd, 0x7a, 0x4b, 0xa3,
+    0x1c, 0x90, 0x40, 0x5b, 0x4a, 0x0f, 0x83, 0x6e, 0x9e, 0x96, 0x28, 0x3d, 0x77, 0x43, 0x05, 0x0e, 0x39, 0x26, 0x15,
+    0xb8, 0x6b, 0x4e, 0x3a, 0x62, 0xc2, 0xda, 0xde, 0x8e, 0x29, 0x29, 0x0b, 0x09, 0xa2, 0xb3, 0xa7, 0x1e, 0x9a, 0x0c,
+    0x8f, 0xa1, 0x46, 0x6f, 0x92, 0xf3, 0x9e, 0xb5, 0xc5, 0x7e, 0x0e, 0x8d, 0xeb, 0x55, 0x08, 0xfa, 0xc9, 0xd8, 0x4e,
+    0xe3, 0xd0, 0xca, 0x2a, 0x96, 0x11, 0x7e, 0xb1, 0xd4, 0x7f, 0x8f, 0x1d, 0xb3, 0xc3, 0xa0, 0x89, 0x6f, 0x93, 0x99,
+    0x55, 0x48, 0x97, 0x08, 0x79, 0x66, 0xe9, 0x4a, 0x6b, 0xa0, 0x29, 0xf2, 0x10, 0x1f, 0x22, 0xa2, 0x1b, 0x41, 0xdf,
+    0xa3, 0xde, 0x62, 0x60, 0x8e, 0xa1, 0x60, 0xc4, 0xd5, 0xce, 0x81, 0x47, 0x84, 0x3b, 0x66, 0x60, 0x74, 0xa7, 0x74,
+    0xcc, 0x48, 0xe0, 0xe1, 0xd5, 0x0c, 0x15, 0x98, 0x3d, 0xa7, 0x9c, 0xb2, 0xec, 0xba, 0x0f, 0x2c, 0x52, 0x14, 0x7b,
+    0xe2, 0x49, 0x6e, 0x0f, 0x8c, 0x00, 0xe0, 0x81, 0xf6, 0x57, 0xe4, 0x3f, 0xbf, 0x7c, 0xa9, 0x5e, 0xfe, 0x01, 0xc2,
+    0x64, 0xb0, 0x05, 0x60, 0x01, 0xaa, 0x78, 0x65, 0xb2, 0xeb, 0x56, 0x41, 0xf2, 0xbf, 0xa3, 0x45, 0x4e, 0x3c, 0x78,
+    0xe2, 0xa1, 0x0d, 0xa9, 0x2a, 0xc0, 0x8a, 0xc0, 0x6f, 0xe4, 0x66, 0xbe, 0x72, 0x35, 0x5e, 0xf7, 0x3b, 0x42, 0x53,
+    0xd4, 0xe6, 0x66, 0xb6, 0x78, 0xcd, 0xaa, 0x6f, 0xf4, 0x26, 0x80, 0x3a, 0x4e, 0x74, 0x80, 0x17, 0x88, 0x44, 0x23,
+    0xa6, 0x3a, 0x6f, 0x87, 0xb8, 0xd0, 0x4d, 0xd3, 0xfc, 0x7c, 0xd6, 0x38, 0x2a, 0x00, 0x28, 0x01, 0xa2, 0x40, 0x94,
+    0x6c, 0x1e, 0x8a, 0xed, 0xe3, 0x92, 0x9d, 0x90, 0xe3, 0x0d, 0x02, 0x4e, 0x15, 0x30, 0xed, 0x8f, 0x5b, 0x99, 0xaa,
+    0x7a, 0x4e, 0xb9, 0xec, 0x91, 0xe2, 0x9f, 0xd4, 0xca, 0x46, 0xaf, 0x87, 0x19, 0x4b, 0xad, 0xea, 0xe6, 0x6c, 0x8d,
+    0x53, 0x4b, 0x29, 0xee, 0x1e, 0x96, 0xd8, 0x94, 0x30, 0x3a, 0x9c, 0xb0, 0x4c, 0xdb, 0xe2, 0xa1, 0x7f, 0xc7, 0x11,
+    0xdd, 0xe3, 0x9d, 0x36, 0x44, 0xd3, 0x93, 0x14, 0x9c, 0x4c, 0x9d, 0xdd, 0x3a, 0x7c, 0x41, 0xb1, 0x8f, 0x14, 0xd9,
+    0x4e, 0x61, 0xd9, 0x3a, 0xe3, 0x0d, 0x76, 0xca, 0x6c, 0xac, 0x73, 0xaf, 0xad, 0x94, 0x87, 0x30, 0xf1, 0x30, 0x2f,
+    0x8b, 0xed, 0x4a, 0xed, 0xbc, 0xc2, 0xf2, 0x7c, 0x30, 0xa3, 0x0b, 0x28, 0x64, 0x3b, 0x8c, 0xd4, 0xc3, 0x42, 0xb9,
+    0xa3, 0x44, 0x51, 0x80, 0x07, 0x5a, 0x3d, 0x14, 0x33, 0x99, 0xbf, 0x2a, 0x6b, 0x2b, 0x19, 0x47, 0x72, 0x9e, 0xd4,
+    0xb4, 0x6d, 0x72, 0xdd, 0x8a, 0x4b, 0x33, 0x55, 0xbc, 0xb4, 0xcd, 0xc8, 0x2b, 0x17, 0x2f, 0x74, 0xeb, 0x22, 0x17,
+    0x94, 0x08, 0x27, 0x27, 0xc2, 0x5b, 0x17, 0xb4, 0xa9, 0x22, 0x16, 0x9d, 0xd4, 0xfc, 0xc7, 0x15, 0xa3, 0x9b, 0x86,
+    0x1f, 0xad, 0x45, 0xd3, 0x87, 0x94, 0x5b, 0x31, 0x36, 0xaa, 0xe4, 0x66, 0x8d, 0xcc, 0x31, 0x05, 0x5b, 0xc4, 0x40,
+    0xc0, 0xb8, 0xeb, 0x91, 0x18, 0x22, 0x8c, 0x31, 0x1e, 0xad, 0xd0, 0x3a, 0x98, 0x07, 0xb5, 0x6f, 0x11, 0xba, 0x11,
+    0xa6, 0x14, 0x35, 0x5a, 0xe7, 0x55, 0xdf, 0xb7, 0x4c, 0x03, 0x61, 0xa3, 0x74, 0x23, 0xdf, 0x55, 0x1f, 0x02, 0x51,
+    0x09, 0xb7, 0xba, 0xd5, 0x0c, 0x67, 0xab, 0x98, 0x70, 0x14, 0x64, 0x8d, 0xf4, 0x8b, 0x54, 0x44, 0x07, 0x6f, 0xe0,
+    0x69, 0x32, 0xca, 0x48, 0xe5, 0xd3, 0xa7, 0x17, 0x8f, 0x45, 0x84, 0x04, 0xb7, 0xd1, 0xbb, 0xe1, 0xf6, 0x01, 0x0a,
+    0xf6, 0xee, 0x2b, 0x32, 0xd2, 0xc5, 0xf8, 0xa6, 0xec, 0x0f, 0x1b, 0x09, 0x1d, 0xfc, 0xa2, 0xbf, 0x54, 0x5d, 0x2c,
+    0x62, 0xf4, 0x77, 0xde, 0xad, 0xa0, 0x50, 0x6a, 0xb4, 0xe3, 0x5f, 0xda, 0xff, 0x6b, 0xb1, 0x78, 0xf7, 0xf9, 0xc1,
+    0xa6, 0xa8, 0x93, 0xe8, 0xe4, 0x11, 0x56, 0xa0, 0x5b, 0x85, 0xa7, 0x92, 0x7a, 0x58, 0x45, 0x95, 0xa9, 0x63, 0x83,
+    0xb4, 0x1f, 0x18, 0x31, 0x7a, 0x6d, 0xa1, 0x8d, 0x8c, 0xdc, 0x91, 0x02, 0x3c, 0x9c, 0x92, 0x42, 0x8e, 0x03, 0x02,
+    0xc5, 0x0c, 0x43, 0x54, 0xf9, 0xb2, 0x85, 0x39, 0x2e, 0x77, 0xad, 0x00};

 // Backwards compatibility alias
 #define INDEX_GZ INDEX_BR
@@ -1,5 +1,5 @@
 import esphome.codegen as cg
-from esphome.components.esp32 import add_idf_component
+from esphome.components.esp32 import add_idf_component, add_idf_sdkconfig_option
 from esphome.config_helpers import filter_source_files_from_platform, get_logger_level
 import esphome.config_validation as cv
 from esphome.const import (
@@ -208,7 +208,9 @@ async def to_code(config: ConfigType) -> None:
                ethernet.request_ethernet_ip_state_listener()

    if CORE.is_esp32:
-        add_idf_component(name="espressif/mdns", ref="1.11.3")
+        add_idf_component(name="espressif/mdns", ref="1.12.0")
+        # ESPHome only advertises; the browse APIs are unused
+        add_idf_sdkconfig_option("CONFIG_MDNS_ENABLE_BROWSE", False)

    cg.add_define("USE_MDNS")

@@ -220,6 +220,26 @@ inline bool value_type_is_float(SensorValueType v) {
  return v == SensorValueType::FP32 || v == SensorValueType::FP32_R;
 }

+/// Number of 16-bit registers a value of this type occupies (RAW counts as one register).
+inline uint16_t register_width_for(SensorValueType v) {
+  switch (v) {
+    case SensorValueType::U_DWORD:
+    case SensorValueType::S_DWORD:
+    case SensorValueType::U_DWORD_R:
+    case SensorValueType::S_DWORD_R:
+    case SensorValueType::FP32:
+    case SensorValueType::FP32_R:
+      return 2;
+    case SensorValueType::U_QWORD:
+    case SensorValueType::S_QWORD:
+    case SensorValueType::U_QWORD_R:
+    case SensorValueType::S_QWORD_R:
+      return 4;
+    default:
+      return 1;
+  }
+}
+
 /// Coils and discrete inputs are the bit-addressed entity tables; the other types are 16-bit registers.
 inline bool is_entity_type_binary(EntityType type) {
  return type == EntityType::COIL || type == EntityType::DISCRETE_INPUT;
@@ -41,6 +41,7 @@ from .const import (
    CONF_REGISTER_COUNT,
    CONF_REGISTER_TYPE,
    CONF_RESPONSE_SIZE,
+    CONF_REUSE_PREVIOUS_RANGE,
    CONF_SERVER_COURTESY_RESPONSE,
    CONF_SERVER_REGISTERS,
    CONF_SKIP_UPDATES,
@@ -60,6 +61,13 @@ ModbusController = modbus_controller_ns.class_("ModbusController", cg.PollingCom

 SensorItem = modbus_controller_ns.struct("SensorItem")

+RangeReuse = modbus_controller_ns.enum("RangeReuse", is_class=True)
+RANGE_REUSE = {
+    "auto": RangeReuse.AUTO,
+    True: RangeReuse.ALWAYS,
+    False: RangeReuse.NEVER,
+}
+
 _LOGGER = logging.getLogger(__name__)


@@ -184,13 +192,88 @@ ModbusItemBaseSchema = cv.Schema(
        ): cv.positive_int,
        cv.Optional(CONF_BITMASK, default=0xFFFFFFFF): cv.hex_uint32_t,
        cv.Optional(CONF_SKIP_UPDATES): validate_skip_updates_deprecated,
-        cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
+        cv.Optional(CONF_REUSE_PREVIOUS_RANGE, default="auto"): cv.Any(
+            cv.boolean, cv.one_of("auto", lower=True)
+        ),
+        # Deprecated options, migrated by validate_range_reuse_migration(). Remove before 2027.3.0
+        cv.Optional(CONF_FORCE_NEW_RANGE): cv.boolean,
+        cv.Optional(CONF_REGISTER_COUNT): cv.positive_int,
        cv.Optional(CONF_LAMBDA): cv.returning_lambda,
-        cv.Optional(CONF_RESPONSE_SIZE, default=0): cv.positive_int,
+        cv.Optional(CONF_RESPONSE_SIZE, default=0): cv.int_range(min=0, max=250),
    },
 )


+def _derived_register_widths(config: ConfigType) -> set[int]:
+    """Register widths an item derives on its own; a matching register_count is redundant."""
+    response_size = config.get(CONF_RESPONSE_SIZE, 0)
+    if (value_type := config.get(CONF_VALUE_TYPE)) is not None:
+        widths = {TYPE_REGISTER_MAP[value_type]}
+        if value_type == "RAW" and response_size > 0:
+            widths.add((response_size + 1) // 2)
+        return widths
+    if response_size > 0:
+        # text sensors: the old default was floor(response_size / 2); the derived width is now ceil
+        return {response_size // 2, (response_size + 1) // 2}
+    return {1}
+
+
+def entity_label(config: ConfigType) -> str:
+    """The entity's name or id, so migration messages say which entry to edit."""
+    label = config.get(CONF_NAME) or config.get(CONF_ID)
+    return str(label) if label is not None else "<unnamed>"
+
+
+# Remove before 2027.3.0
+def validate_range_reuse_migration(config: ConfigType) -> ConfigType:
+    """Migrate the removed force_new_range/register_count options to reuse_previous_range."""
+    if (force_new_range := config.pop(CONF_FORCE_NEW_RANGE, None)) is not None:
+        if config[CONF_REUSE_PREVIOUS_RANGE] != "auto":
+            raise cv.Invalid(
+                f"'{CONF_FORCE_NEW_RANGE}' and '{CONF_REUSE_PREVIOUS_RANGE}' can't be used together; "
+                f"remove '{CONF_FORCE_NEW_RANGE}'"
+            )
+        if force_new_range:
+            _LOGGER.warning(
+                "%s: '%s' is deprecated; '%s: false' replaces it but only stops this entity joining "
+                "the PREVIOUS range - set it on the following entity too if the range must stay "
+                "isolated. Removed in 2027.3.0",
+                entity_label(config),
+                CONF_FORCE_NEW_RANGE,
+                CONF_REUSE_PREVIOUS_RANGE,
+            )
+            config[CONF_REUSE_PREVIOUS_RANGE] = False
+        else:
+            _LOGGER.warning(
+                "%s: '%s: false' has no effect; remove it. Removed in 2027.3.0",
+                entity_label(config),
+                CONF_FORCE_NEW_RANGE,
+            )
+    if (register_count := config.pop(CONF_REGISTER_COUNT, None)) is not None:
+        if (
+            register_count not in _derived_register_widths(config)
+            and register_count != 0
+        ):
+            raise cv.Invalid(
+                f"'{CONF_REGISTER_COUNT}' has been removed; the number of registers to read is now "
+                f"derived from '{CONF_VALUE_TYPE}' (or '{CONF_RESPONSE_SIZE}' for RAW values and text "
+                f"sensors). To make one request span extra registers up to the next sensor, set "
+                f"'{CONF_REUSE_PREVIOUS_RANGE}: true' on the NEXT sensor instead; for RAW or text block "
+                f"reads set '{CONF_RESPONSE_SIZE}' to the byte count; to force multi-register writes set "
+                f"'use_write_multiple: true'. See "
+                "https://esphome.io/components/modbus_controller/"
+            )
+        _LOGGER.warning(
+            "%s: '%s' is now derived from '%s' (or '%s' for RAW values and text sensors) and has no "
+            "effect; remove it. Removed in 2027.3.0",
+            entity_label(config),
+            CONF_REGISTER_COUNT,
+            CONF_VALUE_TYPE,
+            CONF_RESPONSE_SIZE,
+        )
+    return config
+
+
 def validate_modbus_register(config: ConfigType) -> ConfigType:
    # custom_command is the deprecated alias for custom_pdu (migrated later in final validate); treat
    # either as "a custom frame is configured" so the address/register_type rules match.
@@ -293,20 +376,13 @@ def reject_odd_holding_write_offset(config: ConfigType) -> ConfigType:
    return config


-def modbus_calc_properties(config: ConfigType) -> tuple[int, int]:
+def modbus_calc_properties(config: ConfigType) -> int:
    byte_offset = 0
-    reg_count = 0
    if CONF_OFFSET in config:
        byte_offset = config[CONF_OFFSET]
    # A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
    if CONF_BYTE_OFFSET in config:
        byte_offset = config[CONF_BYTE_OFFSET]
-    if CONF_REGISTER_COUNT in config:
-        reg_count = config[CONF_REGISTER_COUNT]
-    if CONF_VALUE_TYPE in config:
-        value_type = config[CONF_VALUE_TYPE]
-        if reg_count == 0:
-            reg_count = TYPE_REGISTER_MAP[value_type]
    if CONF_CUSTOM_PDU in config:
        if CONF_ADDRESS not in config:
            # generate a unique modbus address using the hash of the name
@@ -317,8 +393,7 @@ def modbus_calc_properties(config: ConfigType) -> tuple[int, int]:
                value = value.encode()
            config[CONF_ADDRESS] = binascii.crc_hqx(value, 0)
        config[CONF_REGISTER_TYPE] = cv.enum(MODBUS_REGISTER_TYPE)("custom")
-        config[CONF_FORCE_NEW_RANGE] = True
-    return byte_offset, reg_count
+    return byte_offset


 async def add_modbus_base_properties(
@@ -5,6 +5,7 @@ import esphome.config_validation as cv
 from esphome.const import CONF_ADDRESS, CONF_ID

 from .. import (
+    RANGE_REUSE,
    ModbusItemBaseSchema,
    SensorItem,
    add_modbus_base_properties,
@@ -12,12 +13,13 @@ from .. import (
    modbus_controller_ns,
    validate_custom_pdu_item,
    validate_modbus_register,
+    validate_range_reuse_migration,
 )
 from ..const import (
    CONF_BITMASK,
-    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
    CONF_REGISTER_TYPE,
+    CONF_REUSE_PREVIOUS_RANGE,
 )

 DEPENDENCIES = ["modbus_controller"]
@@ -38,20 +40,21 @@ CONFIG_SCHEMA = cv.All(
        }
    ),
    validate_modbus_register,
+    validate_range_reuse_migration,
 )

 FINAL_VALIDATE_SCHEMA = validate_custom_pdu_item


 async def to_code(config):
-    byte_offset, _ = modbus_calc_properties(config)
+    byte_offset = modbus_calc_properties(config)
    var = cg.new_Pvariable(
        config[CONF_ID],
        config[CONF_REGISTER_TYPE],
        config[CONF_ADDRESS],
        byte_offset,
        config[CONF_BITMASK],
-        config[CONF_FORCE_NEW_RANGE],
+        RANGE_REUSE[config[CONF_REUSE_PREVIOUS_RANGE]],
    )
    await cg.register_component(var, config)
    await binary_sensor.register_binary_sensor(var, config)
@@ -11,19 +11,22 @@ namespace esphome::modbus_controller {
 class ModbusBinarySensor final : public Component, public binary_sensor::BinarySensor, public SensorItem {
 public:
  ModbusBinarySensor(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint32_t bitmask,
-                     bool force_new_range) {
+                     RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->bitmask = bitmask;
    this->sensor_value_type = SensorValueType::BIT;
-    this->force_new_range = force_new_range;
+    this->reuse_previous_range = reuse_previous_range;
+  }

-    if (modbus::helpers::is_entity_type_binary(register_type)) {
-      this->register_count = offset + 1;
-    } else {
-      this->register_count = 1;
+  /// On the bit-addressed tables the bit sits at start_address + offset, so the read must span offset + 1
+  /// bits. Uses the offset as configured: `offset` itself is overwritten with the position in the range.
+  uint16_t entity_count() const override {
+    if (modbus::helpers::is_entity_type_binary(this->register_type)) {
+      return this->offset_from_start_address + 1;
    }
+    return 1;
  }

  void parse_and_publish(std::span<const uint8_t> data) override;
@@ -18,6 +18,7 @@ CONF_REGISTER_LAST_ADDRESS = "register_last_address"
 CONF_REGISTER_TYPE = "register_type"
 CONF_REGISTER_VALUE = "register_value"
 CONF_RESPONSE_SIZE = "response_size"
+CONF_REUSE_PREVIOUS_RANGE = "reuse_previous_range"
 CONF_SERVER_COURTESY_RESPONSE = "server_courtesy_response"
 CONF_SERVER_REGISTERS = "server_registers"
 CONF_SKIP_UPDATES = "skip_updates"
@@ -3,6 +3,7 @@
 #include "esphome/core/log.h"

 #include <cstring>
+#include <limits>

 namespace esphome::modbus_controller {

@@ -137,7 +138,7 @@ ModbusCommandItem::ModbusCommandItem(ModbusController &controller, modbus::Modbu
                                     SensorItem *sensor)
    : modbus::ModbusClientDevice(parent, address),
      start_address_(sensor->start_address),
-      register_count_(sensor->register_count),
+      register_count_(sensor->entity_count()),
      custom_pdu_(&sensor->custom_pdu),
      controller_(&controller) {
  // The PDU's first byte is its real function code; carry it so dump_config, the on_command_sent
@@ -350,129 +351,176 @@ void ModbusController::update() {
 }

 // walk through the sensors and determine the register ranges to read
+namespace {
+
+class RangeBuilder {
+ public:
+  explicit RangeBuilder(FixedVector<RegisterRange> &ranges) : ranges_(ranges) {}
+
+  bool can_join(const SensorItem *curr) const {
+    return this->have_range_ && curr->reuse_previous_range != RangeReuse::NEVER &&
+           this->r_.register_type == curr->register_type && curr->register_type != modbus::EntityType::CUSTOM;
+  }
+
+  // A sensor that joined mid-range must never anchor this - hence both address tests.
+  bool try_reuse_register(SensorItem *curr) {
+    const uint32_t range_end = this->range_end_();
+    if (curr->start_address != range_end - this->prev_->entity_count() ||
+        this->prev_->start_address + this->prev_->entity_count() != range_end ||
+        curr->entity_count() != this->prev_->entity_count() ||
+        curr->get_register_size() != this->prev_->get_register_size()) {
+      return false;
+    }
+    if (!place_offset(curr, static_cast<uint32_t>(this->prev_->offset) + curr->offset_from_start_address))
+      return false;
+    ESP_LOGV(TAG, "Re-use previous register 0x%X", curr->start_address);
+    return true;
+  }
+
+  bool try_extend(SensorItem *curr) {
+    const uint32_t range_end = this->range_end_();
+    const bool reachable =
+        curr->reuse_previous_range == RangeReuse::ALWAYS
+            ? curr->start_address >= range_end
+            : curr->start_address == range_end && (curr->addresses_bits() || !this->range_custom_size_);
+    if (!reachable)
+      return false;
+    const uint16_t gap = static_cast<uint16_t>(curr->start_address - range_end);
+    const uint32_t new_count = this->r_.register_count + gap + curr->entity_count();
+    const uint16_t max_quantity =
+        curr->addresses_bits() ? modbus::MAX_NUM_OF_COILS_TO_READ : modbus::MAX_NUM_OF_REGISTERS_TO_READ;
+    const uint32_t prospective_offset =
+        (curr->addresses_bits() ? static_cast<uint32_t>(curr->start_address - this->r_.start_address)
+                                : static_cast<uint32_t>(this->range_bytes_) + gap * 2) +
+        curr->offset_from_start_address;
+    if (new_count > max_quantity || !place_offset(curr, prospective_offset)) {
+      return false;
+    }
+    if (!curr->addresses_bits())
+      this->range_bytes_ += static_cast<size_t>(gap) * 2;
+    this->range_bytes_ += curr->get_register_size();
+    this->range_custom_size_ = this->range_custom_size_ || has_custom_size(curr);
+    this->r_.register_count = static_cast<uint16_t>(new_count);
+    ESP_LOGV(TAG, "Extend range to include 0x%X", curr->start_address);
+    return true;
+  }
+
+  bool try_cover(SensorItem *curr) {
+    if (!this->range_shared_ || this->range_forced_ || curr->start_address < this->r_.start_address ||
+        curr->start_address + curr->entity_count() > this->range_end_() || this->range_custom_size_ ||
+        has_custom_size(curr)) {
+      return false;
+    }
+    const uint32_t addr_delta = curr->start_address - this->r_.start_address;
+    if (!place_offset(curr, (curr->addresses_bits() ? addr_delta : addr_delta * 2) + curr->offset_from_start_address))
+      return false;
+    ESP_LOGV(TAG, "Register 0x%X already covered by range 0x%X", curr->start_address, this->r_.start_address);
+    return true;
+  }
+
+  // A response dispatches to a single range per (start address, register type), so same-address items
+  // must share - even reuse_previous_range: false and custom entities.
+  bool try_share(SensorItem *curr) {
+    if (!this->have_range_ || this->r_.register_type != curr->register_type ||
+        this->r_.start_address != curr->start_address) {
+      return false;
+    }
+    curr->offset = curr->offset_from_start_address;
+    this->r_.register_count = std::max(this->r_.register_count, curr->entity_count());
+    this->range_bytes_ = std::max(this->range_bytes_, curr->get_register_size());
+    this->range_custom_size_ = this->range_custom_size_ || has_custom_size(curr);
+    this->range_shared_ = true;
+    this->range_forced_ = this->range_forced_ || curr->reuse_previous_range == RangeReuse::NEVER;
+    ESP_LOGV(TAG, "Share range start 0x%X", curr->start_address);
+    return true;
+  }
+
+  bool always_declined(const SensorItem *curr) const {
+    return this->have_range_ && curr->reuse_previous_range == RangeReuse::ALWAYS &&
+           this->r_.register_type == curr->register_type && curr->start_address != this->r_.start_address;
+  }
+
+  void open(SensorItem *curr) {
+    this->close();
+    this->r_ = {};
+    this->range_bytes_ = curr->get_register_size();
+    this->range_custom_size_ = has_custom_size(curr);
+    this->range_forced_ = curr->reuse_previous_range == RangeReuse::NEVER;
+    this->range_shared_ = false;
+    curr->offset = curr->offset_from_start_address;
+    this->r_.start_address = curr->start_address;
+    this->r_.register_count = curr->entity_count();
+    this->r_.register_type = curr->register_type;
+    if (curr->register_type == modbus::EntityType::CUSTOM)
+      this->r_.custom_pdu = &curr->custom_pdu;
+    this->have_range_ = true;
+  }
+
+  void record(SensorItem *curr) {
+    curr->range_start_address = this->r_.start_address;
+    this->r_.sensors.insert(curr);
+    this->prev_ = curr;
+  }
+
+  void close() {
+    if (!this->have_range_)
+      return;
+    ESP_LOGV(TAG, "Add range 0x%X %d", this->r_.start_address, this->r_.register_count);
+    this->ranges_.push_back(std::move(this->r_));
+    this->have_range_ = false;
+  }
+
+ private:
+  uint32_t range_end_() const { return this->r_.start_address + this->r_.register_count; }
+  // The resolved offset must fit its uint8_t field or the sensor would parse the wrong slice.
+  static bool place_offset(SensorItem *curr, uint32_t offset) {
+    if (offset > std::numeric_limits<uint8_t>::max())
+      return false;
+    curr->offset = static_cast<uint8_t>(offset);
+    return true;
+  }
+  static bool has_custom_size(const SensorItem *item) {
+    return item->get_register_size() != static_cast<size_t>(item->entity_count()) * 2;
+  }
+  FixedVector<RegisterRange> &ranges_;
+  RegisterRange r_ = {};
+  bool have_range_ = false;
+  bool range_forced_ = false;  // a reuse: false member blocks the coverage join
+  bool range_shared_ = false;  // only a share-widened range absorbs by coverage
+  size_t range_bytes_ = 0;
+  bool range_custom_size_ = false;
+  SensorItem *prev_ = nullptr;
+};
+
+}  // namespace
+
 void ModbusController::create_polling_commands_() {
  if (this->sensorset_.empty()) {
    ESP_LOGW(TAG, "No sensors registered");
    return;
  }

-  // Sensors are walked in the sensor set's order (see SensorItemsComparator): register type, then
-  // force_new_range ahead of the rest, then address - so the walk is not purely address-ordered.
-  // Each keeps the address it was configured with; what is resolved here is its `offset`, the position
-  // of its data within the response of whichever range it ends up in.
-  // One range per sensor is a strict upper bound: each walk step closes at most one range, plus one
-  // closed after the walk. Sized to that bound so no push is ever silently dropped, then handed on by move.
+  // At most one range closes per sensor plus one final close, so sensorset_.size() bounds the pushes
+  // (FixedVector silently drops past capacity).
  FixedVector<RegisterRange> ranges;
  ranges.init(this->sensorset_.size());
-  RegisterRange r = {};
-  bool have_range = false;
-  // Set while the open range belongs to a force_new_range sensor: a range the user asked to keep
-  // separate must not quietly absorb other sensors.
-  bool range_forced = false;
-  // Set once a sensor has joined by sharing the range's start address, which widens the read. Only a
-  // widened range can absorb a later sensor by coverage: ranges that were kept apart before stay apart,
-  // so their frames and polling rates are untouched.
-  bool range_shared = false;
-  // Bytes the range's registers have consumed so far. An extending sensor starts after them, so a
-  // register that returns more bytes than its count implies pushes the sensors after it along.
-  // range_custom_size records whether any of them returns something other than two bytes per register,
-  // which is what makes a position inside the range impossible to work out from addresses alone. Coils
-  // count as such: they carry one bit per address, so bit ranges never take the coverage join.
-  size_t range_bytes = 0;
-  bool range_custom_size = false;
-  SensorItem *prev = nullptr;
+  RangeBuilder builder(ranges);
  for (SensorItem *curr : this->sensorset_) {
-    ESP_LOGV(TAG, "Register: 0x%X count=%d size=%zu offset=%u addr=%p", curr->start_address, curr->register_count,
+    ESP_LOGV(TAG, "Register: 0x%X width=%u size=%zu offset=%u addr=%p", curr->start_address, curr->entity_count(),
             curr->get_register_size(), curr->offset, curr);
-
-    const bool custom_size = curr->get_register_size() != static_cast<size_t>(curr->register_count) * 2;
-
-    bool join = false;
-    if (have_range && !curr->force_new_range && r.register_type == curr->register_type &&
-        curr->register_type != modbus::EntityType::CUSTOM) {
-      if (curr->start_address == (r.start_address + r.register_count - prev->register_count) &&
-          prev->start_address + prev->register_count == r.start_address + r.register_count &&
-          curr->register_count == prev->register_count && curr->get_register_size() == prev->get_register_size()) {
-        // A second sensor on the register(s) the previous one covers: it reads those same bytes,
-        // starting where that sensor's offset pointed, so a chain configured 0/2/4 resolves to 0/2/6.
-        // Both address tests matter. The first identifies the previous sensor's register by working back
-        // from the range's end, which only describes it while it actually sits there - hence the second.
-        // A sensor that joined mid-range must never anchor this, or the next one inherits its offset.
-        curr->offset = static_cast<uint8_t>(prev->offset + curr->offset_from_start_address);
-        join = true;
-        ESP_LOGV(TAG, "Re-use previous register 0x%X", curr->start_address);
-      } else if (curr->start_address == (r.start_address + r.register_count)) {
-        // The next contiguous register(s): the data begins after what the range has consumed so far -
-        // the byte cursor for registers, the distance in bits for coils.
-        curr->offset =
-            static_cast<uint8_t>((curr->addresses_bits() ? curr->start_address - r.start_address : range_bytes) +
-                                 curr->offset_from_start_address);
-        range_bytes += curr->get_register_size();
-        range_custom_size = range_custom_size || custom_size;
-        r.register_count += curr->register_count;
-        join = true;
-        ESP_LOGV(TAG, "Extend range to include 0x%X", curr->start_address);
-      } else if (range_shared && !range_forced && curr->start_address >= r.start_address &&
-                 curr->start_address + curr->register_count <= r.start_address + r.register_count &&
-                 !range_custom_size && !custom_size) {
-        // The registers already fall inside a range that a shared-address join widened, so this sensor
-        // reads its slice of that response instead of adding an overlapping second poll. The guards keep
-        // it narrow: only a widened range, never a force-isolated one; only where every register in the
-        // range returns two bytes, so interior positions follow from the addresses; only sensors genuinely
-        // inside it, which is why the lower bound is needed given the walk is not address-ordered.
-        const uint16_t addr_delta = curr->start_address - r.start_address;
-        curr->offset = static_cast<uint8_t>((curr->addresses_bits() ? addr_delta : addr_delta * 2) +
-                                            curr->offset_from_start_address);
-        join = true;
-        ESP_LOGV(TAG, "Register 0x%X already covered by range 0x%X", curr->start_address, r.start_address);
-      }
+    bool join = builder.can_join(curr) &&
+                (builder.try_reuse_register(curr) || builder.try_extend(curr) || builder.try_cover(curr));
+    if (!join && builder.always_declined(curr)) {
+      ESP_LOGW(TAG, "reuse_previous_range on 0x%X cannot join the previous range; starting a new range",
+               curr->start_address);
    }
-
-    // Sensors on the same start address have to share one range: a response is dispatched to a single
-    // range per (start_address, register_type), so a second range with that key would never receive
-    // data. This holds for force_new_range and custom entities too. The read widens to cover whichever
-    // sensor needs the most registers, which also fixes a short read for coils that use offset.
-    if (!join && have_range && r.register_type == curr->register_type && r.start_address == curr->start_address) {
-      curr->offset = curr->offset_from_start_address;  // shares the range start
-      r.register_count = std::max(r.register_count, curr->register_count);
-      range_bytes = std::max(range_bytes, curr->get_register_size());
-      range_custom_size = range_custom_size || custom_size;
-      range_shared = true;
-      range_forced = range_forced || curr->force_new_range;
-      join = true;
-      ESP_LOGV(TAG, "Share range start 0x%X", curr->start_address);
-    }
-
-    if (!join) {
-      if (have_range) {
-        ESP_LOGV(TAG, "Add range 0x%X %d", r.start_address, r.register_count);
-        ranges.push_back(std::move(r));
-      }
-      r = {};
-      range_bytes = curr->get_register_size();
-      range_custom_size = custom_size;
-      range_forced = curr->force_new_range;
-      range_shared = false;
-      curr->offset = curr->offset_from_start_address;
-      r.start_address = curr->start_address;
-      r.register_count = curr->register_count;
-      r.register_type = curr->register_type;
-      if (curr->register_type == modbus::EntityType::CUSTOM)
-        r.custom_pdu = &curr->custom_pdu;
-      have_range = true;
-    }
-
-    // Every member records its range's first register. The resolved offset is relative to it, so the
-    // two together give the sensor's real position, and the address a write entity targets.
-    curr->range_start_address = r.start_address;
-    r.sensors.insert(curr);
-    prev = curr;
+    join = join || builder.try_share(curr);
+    if (!join)
+      builder.open(curr);
+    builder.record(curr);
  }
-  if (have_range) {
-    ESP_LOGV(TAG, "Add last range 0x%X %d", r.start_address, r.register_count);
-    ranges.push_back(std::move(r));
-  }
-  // Staged in a setup-time vector so the device storage can be sized exactly (see polling_devices_).
+  builder.close();
+
  this->polling_devices_.init(ranges.size());
  for (auto &range : ranges) {
    this->polling_devices_.emplace_back(*this, std::move(range));
@@ -490,8 +538,8 @@ void ModbusController::dump_config() {
 #if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
  ESP_LOGCONFIG(TAG, "sensormap");
  for (auto &it : this->sensorset_) {
-    ESP_LOGCONFIG(TAG, " Sensor type=%u start=0x%X offset=0x%X count=%d size=%zu",
-                  static_cast<uint8_t>(it->register_type), it->start_address, it->offset, it->register_count,
+    ESP_LOGCONFIG(TAG, " Sensor type=%u start=0x%X offset=0x%X width=%u size=%zu",
+                  static_cast<uint8_t>(it->register_type), it->start_address, it->offset, it->entity_count(),
                  it->get_register_size());
  }
  ESP_LOGCONFIG(TAG, "ranges");
@@ -126,6 +126,16 @@ inline std::vector<uint16_t> float_to_payload(float value, SensorValueType value

 class ModbusController;

+/// How an item relates to the register range built just before it (same register type, address order).
+/// The numeric order doubles as the comparator tiebreak for items at the same address (see
+/// SensorItemsComparator): AUTO items form the shared range first, so a NEVER item comes last and
+/// shares a range it did not start (items on one address must share, see create_polling_commands_()).
+enum class RangeReuse : uint8_t {
+  AUTO = 0,    // join when adjacent and the position in the reply is exact (no non-standard response_size ahead)
+  ALWAYS = 1,  // join unconditionally, reading across any address gap
+  NEVER = 2,   // never join backward (later items may still extend this item's range)
+};
+
 class SensorItem {
 public:
  /// Parse this sensor's slice out of its range's response and publish it. The span points into the
@@ -159,11 +169,26 @@ class SensorItem {
  }

  void set_custom_pdu(std::initializer_list<uint8_t> pdu) { this->custom_pdu.set(pdu.begin(), pdu.size()); }
+
+  /// Entities this item spans: one bit for bit-addressed types, ceil(bytes / 2) registers for RAW
+  /// with a response_size, else the value type's register width.
+  virtual uint16_t entity_count() const {
+    if (modbus::helpers::is_entity_type_binary(this->register_type)) {
+      return 1;
+    }
+    if (this->sensor_value_type == SensorValueType::RAW && this->response_bytes > 0) {
+      return (this->response_bytes + 1) / 2;
+    }
+    return modbus::helpers::register_width_for(this->sensor_value_type);
+  }
+
+  /// Bytes this item's registers occupy in a response: one per bit for bit-addressed types; response_size
+  /// when set (devices that answer more bytes per register than the standard two); else two per register.
  size_t virtual get_register_size() const {
    if (this->addresses_bits()) {
      return 1;
    } else {  // if CONF_RESPONSE_BYTES is used override the default
-      return response_bytes > 0 ? response_bytes : register_count * 2;
+      return response_bytes > 0 ? response_bytes : this->entity_count() * 2;
    }
  }
  // Override register size for modbus devices not using 1 register for one dword
@@ -177,7 +202,6 @@ class SensorItem {
  /// for the registers ahead of it (including wide response_size ones) and for any offset inherited
  /// from an earlier sensor sharing the same register.
  uint8_t offset{0};
-  uint8_t register_count{0};
  uint8_t response_bytes{0};
  /// The offset exactly as configured: measured from this sensor's own start_address, where `offset`
  /// is measured from the first register of the range it ends up polled in. Same units as `offset` -
@@ -188,7 +212,7 @@ class SensorItem {
  /// First register of the range this sensor is polled in; equals start_address for an unpolled item.
  uint16_t range_start_address{0};
  SmallInlineBuffer<8> custom_pdu{};
-  bool force_new_range{false};
+  RangeReuse reuse_previous_range{RangeReuse::AUTO};
 };

 // ModbusController::create_polling_commands_ tries to optimize register range
@@ -201,16 +225,17 @@ class SensorItemsComparator {
      return lhs->register_type < rhs->register_type;
    }

-    // ensure that sensor with force_new_range set are before the others
-    if (lhs->force_new_range != rhs->force_new_range) {
-      return lhs->force_new_range > rhs->force_new_range;
-    }
-
    // sort by start address
    if (lhs->start_address != rhs->start_address) {
      return lhs->start_address < rhs->start_address;
    }

+    // at the same address: AUTO before ALWAYS before NEVER, so a NEVER item never starts the range
+    // the others at that address are then forced to share (see RangeReuse)
+    if (lhs->reuse_previous_range != rhs->reuse_previous_range) {
+      return lhs->reuse_previous_range < rhs->reuse_previous_range;
+    }
+
    // sort by the offset as configured (ensures update of sensors in ascending order). The resolved
    // `offset` is deliberately not used: ranges are built while iterating this set and assign it, and
    // a sort key that changed under the iteration would corrupt the set's ordering.
@@ -229,8 +254,8 @@ using SensorSet = std::set<SensorItem *, SensorItemsComparator>;
 struct RegisterRange {
  uint16_t start_address;
  modbus::EntityType register_type;
-  uint8_t register_count;
-  SensorSet sensors;  // all sensors of this range
+  uint16_t register_count;  // registers (or bits) the poll command reads; joins across gaps can exceed 255
+  SensorSet sensors;        // all sensors of this range
  /// A custom range polls this PDU, referenced from the sensor that opened the range.
  const SmallInlineBuffer<8> *custom_pdu{nullptr};
 };
@@ -17,20 +17,22 @@ from esphome.const import (
 from esphome.types import ConfigType

 from .. import (
+    RANGE_REUSE,
    ModbusItemBaseSchema,
    SensorItem,
    add_modbus_base_properties,
    modbus_calc_properties,
    modbus_controller_ns,
    validate_custom_pdu_item,
+    validate_range_reuse_migration,
 )
 from ..const import (
    CONF_BITMASK,
    CONF_CUSTOM_COMMAND,
    CONF_CUSTOM_PDU,
-    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
    CONF_REGISTER_TYPE,
+    CONF_REUSE_PREVIOUS_RANGE,
    CONF_USE_WRITE_MULTIPLE,
    CONF_VALUE_TYPE,
    CONF_WRITE_LAMBDA,
@@ -86,13 +88,14 @@ CONFIG_SCHEMA = cv.All(
    ),
    validate_min_max,
    validate_modbus_number,
+    validate_range_reuse_migration,
 )

 FINAL_VALIDATE_SCHEMA = validate_custom_pdu_item


 async def to_code(config: ConfigType) -> None:
-    byte_offset, reg_count = modbus_calc_properties(config)
+    byte_offset = modbus_calc_properties(config)
    var = cg.new_Pvariable(
        config[CONF_ID],
        config[CONF_REGISTER_TYPE],
@@ -100,8 +103,7 @@ async def to_code(config: ConfigType) -> None:
        byte_offset,
        config[CONF_BITMASK],
        config[CONF_VALUE_TYPE],
-        reg_count,
-        config[CONF_FORCE_NEW_RANGE],
+        RANGE_REUSE[config[CONF_REUSE_PREVIOUS_RANGE]],
    )

    await cg.register_component(var, config)
@@ -83,10 +83,10 @@ void ModbusNumber::control(float value) {

  ESP_LOGD(TAG,
           "Updating register: connected Sensor=%s start address=0x%X register count=%d new value=%.02f (val=%.02f)",
-           this->get_name().c_str(), this->start_address, this->register_count, value, write_value);
+           this->get_name().c_str(), this->start_address, this->entity_count(), value, write_value);

  bool queued;
-  if (this->register_count == 1 && !this->use_write_multiple_) {
+  if (this->entity_count() == 1 && !this->use_write_multiple_) {
    queued = this->write_single_register(this->write_address(), data[0]);
  } else {
    queued = this->write_multiple_registers(this->write_address(), data);
@@ -13,14 +13,13 @@ using value_to_data_t = std::function<float>(float);
 class ModbusNumber final : public number::Number, public Component, public SensorItem, public WriterEntity {
 public:
  ModbusNumber(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint32_t bitmask,
-               SensorValueType value_type, int register_count, bool force_new_range) {
+               SensorValueType value_type, RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->bitmask = bitmask;
    this->sensor_value_type = value_type;
-    this->register_count = register_count;
-    this->force_new_range = force_new_range;
+    this->reuse_previous_range = reuse_previous_range;
  };

  void dump_config() override;
@@ -1,3 +1,5 @@
+import logging
+
 import esphome.codegen as cg
 from esphome.components import output
 from esphome.components.modbus.helpers import (
@@ -12,6 +14,7 @@ from esphome.types import ConfigType
 from .. import (
    ModbusItemBaseSchema,
    SensorItem,
+    entity_label,
    modbus_calc_properties,
    modbus_controller_ns,
    reject_odd_holding_write_offset,
@@ -19,13 +22,18 @@ from .. import (
 from ..const import (
    CONF_CUSTOM_COMMAND,
    CONF_CUSTOM_PDU,
+    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
+    CONF_REGISTER_COUNT,
    CONF_REGISTER_TYPE,
+    CONF_REUSE_PREVIOUS_RANGE,
    CONF_USE_WRITE_MULTIPLE,
    CONF_VALUE_TYPE,
    CONF_WRITE_LAMBDA,
 )

+_LOGGER = logging.getLogger(__name__)
+
 DEPENDENCIES = ["modbus_controller"]
 CODEOWNERS = ["@martgras"]

@@ -38,26 +46,30 @@ ModbusBinaryOutput = modbus_controller_ns.class_(
 )


-CONFIG_SCHEMA = cv.typed_schema(
-    {
-        "coil": output.BINARY_OUTPUT_SCHEMA.extend(ModbusItemBaseSchema).extend(
-            {
-                cv.GenerateID(): cv.declare_id(ModbusBinaryOutput),
-                cv.Required(CONF_ADDRESS): cv.positive_int,
-                cv.Optional(CONF_CUSTOM_PDU): cv.invalid(
-                    "custom_pdu is not supported for outputs; use a write_lambda instead"
-                ),
-                cv.Optional(CONF_CUSTOM_COMMAND): cv.invalid(
-                    "custom_command is not supported for outputs; use a write_lambda instead"
-                ),
-                cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
-                cv.Optional(CONF_USE_WRITE_MULTIPLE, default=False): cv.boolean,
-            }
-        ),
-        "holding": cv.All(
-            output.FLOAT_OUTPUT_SCHEMA.extend(ModbusItemBaseSchema).extend(
+def _warn_unused_range_options(config: ConfigType) -> ConfigType:
+    # Outputs are write-only and never polled, so nothing here builds a range for them. The write
+    # spans whatever the payload holds, so register_count no longer bounds it either.
+    for key in (CONF_FORCE_NEW_RANGE, CONF_REGISTER_COUNT):
+        if config.pop(key, None) is not None:
+            _LOGGER.warning(
+                "%s: '%s' has no effect on outputs; remove it. Removed in 2027.3.0",
+                entity_label(config),
+                key,
+            )
+    if config.pop(CONF_REUSE_PREVIOUS_RANGE, None) not in (None, "auto"):
+        raise cv.Invalid(
+            f"'{CONF_REUSE_PREVIOUS_RANGE}' has no effect on outputs: they are write-only and are "
+            f"never part of a polled range. Remove it."
+        )
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.typed_schema(
+        {
+            "coil": output.BINARY_OUTPUT_SCHEMA.extend(ModbusItemBaseSchema).extend(
                {
-                    cv.GenerateID(): cv.declare_id(ModbusFloatOutput),
+                    cv.GenerateID(): cv.declare_id(ModbusBinaryOutput),
                    cv.Required(CONF_ADDRESS): cv.positive_int,
                    cv.Optional(CONF_CUSTOM_PDU): cv.invalid(
                        "custom_pdu is not supported for outputs; use a write_lambda instead"
@@ -65,25 +77,42 @@ CONFIG_SCHEMA = cv.typed_schema(
                    cv.Optional(CONF_CUSTOM_COMMAND): cv.invalid(
                        "custom_command is not supported for outputs; use a write_lambda instead"
                    ),
-                    cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(
-                        SENSOR_VALUE_TYPE
-                    ),
                    cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
-                    cv.Optional(CONF_MULTIPLY, default=1.0): cv.float_,
                    cv.Optional(CONF_USE_WRITE_MULTIPLE, default=False): cv.boolean,
                }
            ),
-            reject_odd_holding_write_offset,
-        ),
-    },
-    lower=True,
-    key=CONF_REGISTER_TYPE,
-    default_type="holding",
+            "holding": cv.All(
+                output.FLOAT_OUTPUT_SCHEMA.extend(ModbusItemBaseSchema).extend(
+                    {
+                        cv.GenerateID(): cv.declare_id(ModbusFloatOutput),
+                        cv.Required(CONF_ADDRESS): cv.positive_int,
+                        cv.Optional(CONF_CUSTOM_PDU): cv.invalid(
+                            "custom_pdu is not supported for outputs; use a write_lambda instead"
+                        ),
+                        cv.Optional(CONF_CUSTOM_COMMAND): cv.invalid(
+                            "custom_command is not supported for outputs; use a write_lambda instead"
+                        ),
+                        cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(
+                            SENSOR_VALUE_TYPE
+                        ),
+                        cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
+                        cv.Optional(CONF_MULTIPLY, default=1.0): cv.float_,
+                        cv.Optional(CONF_USE_WRITE_MULTIPLE, default=False): cv.boolean,
+                    }
+                ),
+                reject_odd_holding_write_offset,
+            ),
+        },
+        lower=True,
+        key=CONF_REGISTER_TYPE,
+        default_type="holding",
+    ),
+    _warn_unused_range_options,
 )


 async def to_code(config: ConfigType) -> None:
-    byte_offset, reg_count = modbus_calc_properties(config)
+    byte_offset = modbus_calc_properties(config)
    # Binary Output
    write_template = None
    if config[CONF_REGISTER_TYPE] == "coil":
@@ -109,7 +138,6 @@ async def to_code(config: ConfigType) -> None:
            config[CONF_ADDRESS],
            byte_offset,
            config[CONF_VALUE_TYPE],
-            reg_count,
        )
        cg.add(var.set_write_multiply(config[CONF_MULTIPLY]))
        if CONF_WRITE_LAMBDA in config:
@@ -46,29 +46,24 @@ void ModbusFloatOutput::write_state(float value) {
    modbus::helpers::float_to_payload(data, value, this->sensor_value_type);
  }

-  ESP_LOGD(TAG, "Updating register: start address=0x%X register count=%d new value=%.02f (val=%.02f)",
-           this->start_address, this->register_count, value, original_value);
+  ESP_LOGD(TAG, "Updating register: start address=0x%X register count=%u new value=%.02f (val=%.02f)",
+           this->start_address, this->entity_count(), value, original_value);

-  // The command declares register_count registers, so the payload must be exactly that many words;
-  // anything else would put a byte count on the wire that disagrees with the quantity field.
-  // number_to_payload() appends nothing for RAW, so an empty payload must be caught before data[0].
+  // float_to_payload() appends nothing for RAW, so an empty payload must be caught before data[0].
  if (data.empty()) {
    ESP_LOGW(TAG, "No payload was created for updating output");
    return;
  }

-  // register_count declares the READ range width - it may pull neighboring registers into one poll -
-  // so a write covers exactly the registers the value occupies: the quantity comes from the payload,
-  // never from register_count (padding to it would zero registers the user only declared for reading).
-  // A payload wider than the declared range means the config and the lambda disagree - drop it.
-  if (data.size() > this->register_count) {
-    ESP_LOGE(TAG, "Payload has %zu registers but register_count is %u; dropping write", data.size(),
-             this->register_count);
+  // The value type sets the write width, so a wider payload means the config and the lambda disagree.
+  if (data.size() > this->entity_count()) {
+    ESP_LOGE(TAG, "Payload has %zu registers but the value type only spans %u; dropping write", data.size(),
+             this->entity_count());
    return;
  }

  bool queued;
-  if (this->register_count == 1 && !this->use_write_multiple_) {
+  if (this->entity_count() == 1 && !this->use_write_multiple_) {
    queued = this->write_single_register(this->write_address(), data[0]);
  } else {
    queued = this->write_multiple_registers(this->write_address(), data);
@@ -85,7 +80,7 @@ void ModbusFloatOutput::dump_config() {
                "  Device start address: 0x%X\n"
                "  Register count: %d\n"
                "  Value type: %d",
-                this->start_address, this->register_count, static_cast<int>(this->sensor_value_type));
+                this->start_address, this->entity_count(), static_cast<int>(this->sensor_value_type));
 }

 // ModbusBinaryOutput
@@ -145,7 +140,7 @@ void ModbusBinaryOutput::dump_config() {
                "  Device start address: 0x%X\n"
                "  Register count: %d\n"
                "  Value type: %d",
-                this->start_address, this->register_count, static_cast<int>(this->sensor_value_type));
+                this->start_address, this->entity_count(), static_cast<int>(this->sensor_value_type));
 }

 }  // namespace esphome::modbus_controller
@@ -10,13 +10,12 @@ namespace esphome::modbus_controller {

 class ModbusFloatOutput final : public output::FloatOutput, public Component, public SensorItem, public WriterEntity {
 public:
-  ModbusFloatOutput(uint16_t start_address, uint8_t offset, SensorValueType value_type, int register_count) {
+  ModbusFloatOutput(uint16_t start_address, uint8_t offset, SensorValueType value_type) {
    this->register_type = modbus::EntityType::HOLDING;
    // A byte offset folds into the address as whole registers; odd offsets are rejected at validation.
    this->set_address(start_address + offset / 2);
    this->set_offset_from_start_address(0);
    this->bitmask = 0xFFFFFFFF;
-    this->register_count = register_count;
    this->sensor_value_type = value_type;
  }
  void dump_config() override;
@@ -46,7 +45,6 @@ class ModbusBinaryOutput final : public output::BinaryOutput, public Component,
    this->set_address(start_address + offset);
    this->bitmask = 0xFFFFFFFF;
    this->sensor_value_type = SensorValueType::BIT;
-    this->register_count = 1;
    this->set_offset_from_start_address(0);
  }
  void dump_config() override;
@@ -3,25 +3,24 @@ from typing import Any

 import esphome.codegen as cg
 from esphome.components import select
-from esphome.components.modbus.helpers import (
-    SENSOR_VALUE_TYPE,
-    TYPE_REGISTER_MAP,
-    RegisterValues,
-)
+from esphome.components.modbus.helpers import SENSOR_VALUE_TYPE, RegisterValues
 import esphome.config_validation as cv
 from esphome.const import CONF_ADDRESS, CONF_ID, CONF_LAMBDA, CONF_OPTIMISTIC
 from esphome.types import ConfigType

 from .. import (
+    RANGE_REUSE,
    ModbusController,
    SensorItem,
    modbus_controller_ns,
+    validate_range_reuse_migration,
    validate_skip_updates_deprecated,
 )
 from ..const import (
    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
    CONF_REGISTER_COUNT,
+    CONF_REUSE_PREVIOUS_RANGE,
    CONF_SKIP_UPDATES,
    CONF_USE_WRITE_MULTIPLE,
    CONF_VALUE_TYPE,
@@ -55,18 +54,6 @@ def ensure_option_map() -> Callable[[Any], dict[str, int]]:
    return validator


-def register_count_value_type_min(value: ConfigType) -> ConfigType:
-    reg_count = value.get(CONF_REGISTER_COUNT)
-    if reg_count is not None:
-        value_type = value[CONF_VALUE_TYPE]
-        min_register_count = TYPE_REGISTER_MAP[value_type]
-        if min_register_count > reg_count:
-            raise cv.Invalid(
-                f"Value type {value_type} needs at least {min_register_count} registers"
-            )
-    return value
-
-
 INTEGER_SENSOR_VALUE_TYPE = {
    key: value for key, value in SENSOR_VALUE_TYPE.items() if not key.startswith("FP")
 }
@@ -81,9 +68,13 @@ CONFIG_SCHEMA = cv.All(
            cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(
                INTEGER_SENSOR_VALUE_TYPE
            ),
-            cv.Optional(CONF_REGISTER_COUNT): cv.positive_int,
            cv.Optional(CONF_SKIP_UPDATES): validate_skip_updates_deprecated,
-            cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
+            cv.Optional(CONF_REUSE_PREVIOUS_RANGE, default="auto"): cv.Any(
+                cv.boolean, cv.one_of("auto", lower=True)
+            ),
+            # Deprecated options, migrated by validate_range_reuse_migration(). Remove before 2027.3.0
+            cv.Optional(CONF_FORCE_NEW_RANGE): cv.boolean,
+            cv.Optional(CONF_REGISTER_COUNT): cv.positive_int,
            cv.Required(CONF_OPTIONSMAP): ensure_option_map(),
            cv.Optional(CONF_USE_WRITE_MULTIPLE, default=False): cv.boolean,
            cv.Optional(CONF_OPTIMISTIC, default=False): cv.boolean,
@@ -91,24 +82,18 @@ CONFIG_SCHEMA = cv.All(
            cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
        },
    ),
-    register_count_value_type_min,
+    validate_range_reuse_migration,
 )


 async def to_code(config: ConfigType) -> None:
-    value_type = config[CONF_VALUE_TYPE]
-    reg_count = config.get(CONF_REGISTER_COUNT)
-    if reg_count is None:
-        reg_count = TYPE_REGISTER_MAP[value_type]
-
    options_map = config[CONF_OPTIONSMAP]

    var = cg.new_Pvariable(
        config[CONF_ID],
-        value_type,
+        config[CONF_VALUE_TYPE],
        config[CONF_ADDRESS],
-        reg_count,
-        config[CONF_FORCE_NEW_RANGE],
+        RANGE_REUSE[config[CONF_REUSE_PREVIOUS_RANGE]],
        list(options_map.values()),
    )

@@ -83,19 +83,17 @@ void ModbusSelect::control(size_t index) {
    }
  }

-  // register_count declares the READ range width - it may pull neighboring registers into one poll -
-  // so a write covers exactly the registers the value occupies: the quantity comes from the payload,
-  // never from register_count (padding to it would zero registers the user only declared for reading).
-  // A payload wider than the declared range means the config and the lambda disagree - drop it.
-  if (data.size() > this->register_count) {
-    ESP_LOGE(TAG, "Payload has %zu registers but register_count is %u; dropping write", data.size(),
-             this->register_count);
+  // A write covers exactly the registers the value occupies: the quantity comes from the payload. A
+  // payload wider than the value type's register width means the config and the lambda disagree - drop it.
+  if (data.size() > this->entity_count()) {
+    ESP_LOGE(TAG, "Payload has %zu registers but the value type only spans %u; dropping write", data.size(),
+             this->entity_count());
    return;
  }

  const uint16_t write_address = this->write_address();
  bool queued;
-  if ((this->register_count == 1) && (!this->use_write_multiple_)) {
+  if ((this->entity_count() == 1) && (!this->use_write_multiple_)) {
    queued = this->write_single_register(write_address, data[0]);
  } else {
    queued = this->write_multiple_registers(write_address, data);
@@ -11,16 +11,15 @@ namespace esphome::modbus_controller {

 class ModbusSelect final : public Component, public select::Select, public SensorItem, public WriterEntity {
 public:
-  ModbusSelect(SensorValueType sensor_value_type, uint16_t start_address, uint8_t register_count, bool force_new_range,
+  ModbusSelect(SensorValueType sensor_value_type, uint16_t start_address, RangeReuse reuse_previous_range,
               std::vector<int64_t> mapping) {
    this->register_type = modbus::EntityType::HOLDING;  // not configurable
    this->sensor_value_type = sensor_value_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(0);  // not configurable
    this->bitmask = 0xFFFFFFFF;              // not configurable
-    this->register_count = register_count;
-    this->response_bytes = 0;  // not configurable
-    this->force_new_range = force_new_range;
+    this->response_bytes = 0;                // not configurable
+    this->reuse_previous_range = reuse_previous_range;
    this->mapping_ = std::move(mapping);
  }

@@ -5,6 +5,7 @@ import esphome.config_validation as cv
 from esphome.const import CONF_ADDRESS, CONF_ID

 from .. import (
+    RANGE_REUSE,
    ModbusItemBaseSchema,
    SensorItem,
    add_modbus_base_properties,
@@ -12,13 +13,13 @@ from .. import (
    modbus_controller_ns,
    validate_custom_pdu_item,
    validate_modbus_register,
+    validate_range_reuse_migration,
 )
 from ..const import (
    CONF_BITMASK,
-    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
-    CONF_REGISTER_COUNT,
    CONF_REGISTER_TYPE,
+    CONF_REUSE_PREVIOUS_RANGE,
    CONF_VALUE_TYPE,
 )

@@ -38,27 +39,25 @@ CONFIG_SCHEMA = cv.All(
        {
            cv.Optional(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
            cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(SENSOR_VALUE_TYPE),
-            cv.Optional(CONF_REGISTER_COUNT, default=0): cv.positive_int,
        }
    ),
    validate_modbus_register,
+    validate_range_reuse_migration,
 )

 FINAL_VALIDATE_SCHEMA = validate_custom_pdu_item


 async def to_code(config):
-    byte_offset, reg_count = modbus_calc_properties(config)
-    value_type = config[CONF_VALUE_TYPE]
+    byte_offset = modbus_calc_properties(config)
    var = cg.new_Pvariable(
        config[CONF_ID],
        config[CONF_REGISTER_TYPE],
        config[CONF_ADDRESS],
        byte_offset,
        config[CONF_BITMASK],
-        value_type,
-        reg_count,
-        config[CONF_FORCE_NEW_RANGE],
+        config[CONF_VALUE_TYPE],
+        RANGE_REUSE[config[CONF_REUSE_PREVIOUS_RANGE]],
    )
    await cg.register_component(var, config)
    await sensor.register_sensor(var, config)
@@ -11,14 +11,13 @@ namespace esphome::modbus_controller {
 class ModbusSensor final : public Component, public sensor::Sensor, public SensorItem {
 public:
  ModbusSensor(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint32_t bitmask,
-               SensorValueType value_type, int register_count, bool force_new_range) {
+               SensorValueType value_type, RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->bitmask = bitmask;
    this->sensor_value_type = value_type;
-    this->register_count = register_count;
-    this->force_new_range = force_new_range;
+    this->reuse_previous_range = reuse_previous_range;
  }

  void parse_and_publish(std::span<const uint8_t> data) override;
@@ -6,6 +6,7 @@ from esphome.const import CONF_ADDRESS, CONF_ASSUMED_STATE, CONF_ID
 from esphome.types import ConfigType

 from .. import (
+    RANGE_REUSE,
    ModbusItemBaseSchema,
    SensorItem,
    add_modbus_base_properties,
@@ -14,12 +15,13 @@ from .. import (
    reject_odd_holding_write_offset,
    validate_custom_pdu_item,
    validate_modbus_register,
+    validate_range_reuse_migration,
 )
 from ..const import (
    CONF_BITMASK,
-    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
    CONF_REGISTER_TYPE,
+    CONF_REUSE_PREVIOUS_RANGE,
    CONF_USE_WRITE_MULTIPLE,
    CONF_WRITE_LAMBDA,
 )
@@ -54,20 +56,21 @@ CONFIG_SCHEMA = cv.All(
    ),
    validate_modbus_register,
    _validate_holding_offset,
+    validate_range_reuse_migration,
 )

 FINAL_VALIDATE_SCHEMA = validate_custom_pdu_item


 async def to_code(config: ConfigType) -> None:
-    byte_offset, _ = modbus_calc_properties(config)
+    byte_offset = modbus_calc_properties(config)
    var = cg.new_Pvariable(
        config[CONF_ID],
        config[CONF_REGISTER_TYPE],
        config[CONF_ADDRESS],
        byte_offset,
        config[CONF_BITMASK],
-        config[CONF_FORCE_NEW_RANGE],
+        RANGE_REUSE[config[CONF_REUSE_PREVIOUS_RANGE]],
    )
    await cg.register_component(var, config)
    await switch.register_switch(var, config)
@@ -11,13 +11,12 @@ namespace esphome::modbus_controller {
 class ModbusSwitch final : public Component, public switch_::Switch, public SensorItem, public WriterEntity {
 public:
  ModbusSwitch(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint32_t bitmask,
-               bool force_new_range) {
+               RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->bitmask = bitmask;
    this->sensor_value_type = SensorValueType::BIT;
-    this->register_count = 1;
    // A holding byte offset folds into the address as whole registers (odd offsets are rejected at
    // validation: a 16-bit register write cannot target half a register); a coil offset is a coil count.
    if (register_type == modbus::EntityType::HOLDING) {
@@ -27,7 +26,7 @@ class ModbusSwitch final : public Component, public switch_::Switch, public Sens
      this->set_address(start_address + offset);
      this->set_offset_from_start_address(0);
    }
-    this->force_new_range = force_new_range;
+    this->reuse_previous_range = reuse_previous_range;
  };
  void setup() override;
  void write_state(bool state) override;
@@ -5,6 +5,7 @@ import esphome.config_validation as cv
 from esphome.const import CONF_ADDRESS, CONF_ID

 from .. import (
+    RANGE_REUSE,
    ModbusItemBaseSchema,
    SensorItem,
    add_modbus_base_properties,
@@ -12,14 +13,14 @@ from .. import (
    modbus_controller_ns,
    validate_custom_pdu_item,
    validate_modbus_register,
+    validate_range_reuse_migration,
 )
 from ..const import (
-    CONF_FORCE_NEW_RANGE,
    CONF_MODBUS_CONTROLLER_ID,
    CONF_RAW_ENCODE,
-    CONF_REGISTER_COUNT,
    CONF_REGISTER_TYPE,
    CONF_RESPONSE_SIZE,
+    CONF_REUSE_PREVIOUS_RANGE,
 )

 DEPENDENCIES = ["modbus_controller"]
@@ -47,32 +48,27 @@ CONFIG_SCHEMA = cv.All(
        {
            cv.GenerateID(): cv.declare_id(ModbusTextSensor),
            cv.Optional(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
-            cv.Optional(CONF_REGISTER_COUNT, default=0): cv.positive_int,
-            cv.Optional(CONF_RESPONSE_SIZE, default=2): cv.positive_int,
+            cv.Optional(CONF_RESPONSE_SIZE, default=2): cv.int_range(min=1, max=250),
            cv.Optional(CONF_RAW_ENCODE, default="ANSI"): cv.enum(RAW_ENCODING),
        }
    ),
    validate_modbus_register,
+    validate_range_reuse_migration,
 )

 FINAL_VALIDATE_SCHEMA = validate_custom_pdu_item


 async def to_code(config):
-    byte_offset, reg_count = modbus_calc_properties(config)
-    response_size = config[CONF_RESPONSE_SIZE]
-    reg_count = config[CONF_REGISTER_COUNT]
-    if reg_count == 0:
-        reg_count = response_size // 2
+    byte_offset = modbus_calc_properties(config)
    var = cg.new_Pvariable(
        config[CONF_ID],
        config[CONF_REGISTER_TYPE],
        config[CONF_ADDRESS],
        byte_offset,
-        reg_count,
        config[CONF_RESPONSE_SIZE],
        config[CONF_RAW_ENCODE],
-        config[CONF_FORCE_NEW_RANGE],
+        RANGE_REUSE[config[CONF_REUSE_PREVIOUS_RANGE]],
    )

    await cg.register_component(var, config)
@@ -12,17 +12,16 @@ enum class RawEncoding { NONE = 0, HEXBYTES = 1, COMMA = 2, ANSI = 3 };

 class ModbusTextSensor final : public Component, public text_sensor::TextSensor, public SensorItem {
 public:
-  ModbusTextSensor(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint8_t register_count,
-                   uint16_t response_bytes, RawEncoding encode, bool force_new_range) {
+  ModbusTextSensor(modbus::EntityType register_type, uint16_t start_address, uint8_t offset, uint16_t response_bytes,
+                   RawEncoding encode, RangeReuse reuse_previous_range) {
    this->register_type = register_type;
    this->set_address(start_address);
    this->set_offset_from_start_address(offset);
    this->response_bytes = response_bytes;
-    this->register_count = register_count;
    this->encode_ = encode;
    this->bitmask = 0xFFFFFFFF;
    this->sensor_value_type = SensorValueType::RAW;
-    this->force_new_range = force_new_range;
+    this->reuse_previous_range = reuse_previous_range;
  }

  void dump_config() override;
@@ -24,7 +24,7 @@ dependencies:
  espressif/esp32-camera:
    version: 2.1.7
  espressif/mdns:
-    version: 1.11.3
+    version: 1.12.0
  espressif/esp_wifi_remote:
    version: 1.6.3
    rules:
@@ -0,0 +1,20 @@
+#!/bin/sh
+# Prepare the dev environment for a new checkout or worktree.
+#
+# Installed into the git hooks directory by script/setup. Deliberately tiny and
+# self-contained: it stays valid on branches where script/setup does not exist,
+# and simply does nothing there.
+
+# $3 is 1 for a branch checkout, 0 for a file checkout.
+[ "$3" = "1" ] || exit 0
+
+top=$(git rev-parse --show-toplevel 2>/dev/null) || exit 0
+
+# This also runs on ordinary branch switches, where there is nothing to do.
+[ -x "$top/venv/bin/python" ] && exit 0
+[ -x "$top/script/setup" ] || exit 0
+
+# Clear VIRTUAL_ENV so a checkout made from a shell with an environment already
+# activated still gets its own, rather than having the active one repointed at
+# this working tree.
+exec env -u VIRTUAL_ENV "$top/script/setup"
@@ -7,13 +7,19 @@ cd "$(dirname "$0")/.."
 if [ -n "$VIRTUAL_ENV" ]; then
  # A virtual environment is already active (e.g. the devcontainer's pre-provisioned
  # esphome-venv). Install into it rather than creating a ./venv in the workspace.
-  created_venv=false
+  venv_state=active
+elif [ -x venv/bin/python ]; then
+  # Reuse the environment from an earlier run, so this script can be run again
+  # at any time to pick up dependency changes.
+  venv_state=reused
+  source venv/bin/activate
 else
-  created_venv=true
+  venv_state=created
+  # --clear replaces a partial environment left behind by an interrupted run.
  if [ -x "$(command -v uv)" ]; then
-    uv venv --seed venv
+    uv venv --clear --seed venv
  else
-    python3 -m venv venv
+    python3 -m venv --clear venv
  fi
  source venv/bin/activate
 fi
@@ -25,20 +31,41 @@ fi
 uv pip install setuptools wheel
 uv pip install -e ".[dev,test]" --config-settings editable_mode=compat

-# --overwrite replaces any hook already in place. Without it, prek finds a
-# previously installed pre-commit hook, moves it aside to
-# .git/hooks/pre-commit.legacy and keeps calling it, so every commit would
-# run both tools.
-prek install --overwrite
+# A worktree shares one git hooks directory with the main checkout it was
+# created from, so hooks are installed from the main checkout only. Installing
+# from a worktree would point the shared hook at that worktree's virtual
+# environment, breaking it for everyone once the worktree is removed.
+git_dir="$(git rev-parse --absolute-git-dir 2>/dev/null || true)"
+common_dir="$(git rev-parse --path-format=absolute --git-common-dir 2>/dev/null || true)"
+if [ -n "$common_dir" ] && [ "$git_dir" = "$common_dir" ]; then
+  # --overwrite replaces any hook already in place. Without it, prek finds a
+  # previously installed pre-commit hook, moves it aside to
+  # .git/hooks/pre-commit.legacy and keeps calling it, so every commit would
+  # run both tools.
+  prek install --overwrite
+
+  # Prepares the virtual environment for new checkouts and worktrees. Installed
+  # once here, it covers every worktree created from this checkout.
+  if [ -d "$common_dir/hooks" ]; then
+    cp script/git-hooks/post-checkout "$common_dir/hooks/post-checkout"
+    chmod +x "$common_dir/hooks/post-checkout"
+  fi
+fi

 mkdir -p .temp

 echo
 echo
-if [ "$created_venv" = true ]; then
-  echo "Virtual environment created at ./venv. Run 'source venv/bin/activate' to use it."
-else
-  echo "Dependencies installed into the active virtual environment:"
-  echo "  $VIRTUAL_ENV"
-  echo "It is already active in this shell, so no 'source venv/bin/activate' is needed."
-fi
+case "$venv_state" in
+  created)
+    echo "Virtual environment created at ./venv. Run 'source venv/bin/activate' to use it."
+    ;;
+  reused)
+    echo "Dependencies updated in the existing ./venv. Run 'source venv/bin/activate' to use it."
+    ;;
+  active)
+    echo "Dependencies installed into the active virtual environment:"
+    echo "  $VIRTUAL_ENV"
+    echo "It is already active in this shell, so no 'source venv/bin/activate' is needed."
+    ;;
+esac
@@ -21,6 +21,7 @@ binary_sensor:
    name: Test Binary Sensor with Lambda
    register_type: input
    address: 0x3201
+    reuse_previous_range: false
    lambda: |-
      return x;

@@ -85,6 +86,7 @@ select:
    name: Test Select with Lambda
    address: 1001
    value_type: U_WORD
+    reuse_previous_range: auto
    optionsmap:
      "Off": 0
      "On": 1
@@ -140,9 +142,10 @@ sensor:
    register_type: holding
    address: 0x9002
    value_type: U_WORD
+    reuse_previous_range: true
    lambda: |-
      return x / 10.0;
-  # Non-mergeable sensor sharing the start address of modbus_sensor1 (different register_count):
+  # Non-mergeable sensor sharing the start address of modbus_sensor1 (different value type width):
  # must join the same range, never open a second range keyed on the same (address, type).
  - platform: modbus_controller
    modbus_controller_id: modbus_controller1
@@ -187,8 +190,8 @@ sensor:
    value_type: U_WORD
    lambda: |-
      return modbus_controller::get_data<uint16_t>(data, item->offset) * 0.1f;
-  # force_new_range sensors sort before plain ones, so this high-address forced sensor is grouped
-  # first and the lower-address plain sensors above must still get their own ranges.
+  # The deprecated force_new_range migrates to reuse_previous_range: false, so this sensor never
+  # joins a range built before it and the lower-address sensors above keep their own ranges.
  - platform: modbus_controller
    modbus_controller_id: modbus_controller1
    id: modbus_sensor_forced_high
@@ -224,7 +227,6 @@ text_sensor:
    name: Test Text Sensor
    register_type: holding
    address: 0x9013
-    register_count: 3
    raw_encode: HEXBYTES
    response_size: 6
  - platform: modbus_controller
@@ -233,12 +235,13 @@ text_sensor:
    name: Test Text Sensor with Lambda
    register_type: holding
    address: 0x9014
-    register_count: 2
    response_size: 4
    lambda: |-
      return "Modified: " + x;
-  # A register reporting FEWER bytes than 2*register_count (response_size: 3 for 2 registers), followed
-  # by a contiguous sensor: the follower's byte position must track the actual 3 bytes, not underflow.
+  # A register reporting FEWER bytes than two per register (response_size: 3 over 2 registers), followed
+  # by a contiguous reuse:true sensor (auto never joins past a response_size register): the follower's
+  # byte position must track the actual 3 bytes, not underflow.
+  # register_count matches the derived width, so it migrates with a deprecation warning.
  - platform: modbus_controller
    modbus_controller_id: modbus_controller1
    id: modbus_text_sensor_narrow
@@ -255,4 +258,5 @@ text_sensor:
    register_type: holding
    address: 0x9032
    register_count: 1
+    reuse_previous_range: true
    raw_encode: HEXBYTES
@@ -27,8 +27,8 @@ uart_mock:
      # so these also pin the grouping: an extra or differently shaped read fails the test.
      - expect_tx: [0x01, 0x01, 0x00, 0x10, 0x00, 0x02, 0xBC, 0x0E] # coils 0x10 count 2
        inject_rx: [0x01, 0x01, 0x01, 0x01, 0x90, 0x48] # bit0 set, bit1 clear
-      - expect_tx: [0x01, 0x03, 0x01, 0x60, 0x00, 0x01, 0x85, 0xE8] # holding 0x160 count 1
-        inject_rx: [0x01, 0x03, 0x02, 0x01, 0x60, 0xB9, 0xFC] # 352
+      - expect_tx: [0x01, 0x03, 0x01, 0x60, 0x00, 0x02, 0xC5, 0xE9] # holding 0x160 count 2
+        inject_rx: [0x01, 0x03, 0x04, 0x01, 0x60, 0x01, 0x61, 0x3B, 0xA9] # 352, 353
      - expect_tx: [0x01, 0x03, 0x01, 0x00, 0x00, 0x01, 0x85, 0xF6] # holding 0x100 count 1
        inject_rx: [0x01, 0x03, 0x04, 0x01, 0x11, 0x02, 0x22, 0x2A, 0xB3] # 4 bytes: 273 then 546
      - expect_tx: [0x01, 0x03, 0x01, 0x20, 0x00, 0x04, 0x44, 0x3F] # holding 0x120 count 4
@@ -49,8 +49,6 @@ uart_mock:
        inject_rx: [0x01, 0x03, 0x02, 0x33, 0x33, 0xEC, 0xA1] # 13107
      - expect_tx: [0x01, 0x03, 0x01, 0x70, 0x00, 0x03, 0x05, 0xEC] # holding 0x170 count 3
        inject_rx: [0x01, 0x03, 0x06, 0x00, 0x2A, 0x1B, 0x2C, 0x03, 0x0D, 0x3E, 0xAB] # 6 bytes
-      - expect_tx: [0x01, 0x03, 0x01, 0x61, 0x00, 0x01, 0xD4, 0x28] # holding 0x161 count 1
-        inject_rx: [0x01, 0x03, 0x02, 0x01, 0x61, 0x78, 0x3C] # 353

 modbus:
  uart_id: virtual_uart_dev
@@ -104,8 +102,9 @@ sensor:
    value_type: U_DWORD
    modbus_controller_id: modbus_controller_ok

-  # D - a wide (response_size) register followed by a contiguous one: the follower must start after the
-  # bytes the wide register actually returned, not after 2 * register_count.
+  # D - a wide (response_size) register followed by a contiguous reuse:true one (auto never joins past
+  # a response_size register): the follower must start after the bytes the wide register actually
+  # returned, not after two per register.
  - platform: modbus_controller
    name: "wide_first"
    address: 0x130
@@ -118,6 +117,7 @@ sensor:
    address: 0x131
    register_type: holding
    value_type: U_WORD
+    reuse_previous_range: true
    modbus_controller_id: modbus_controller_ok

  # E - a gap: these must never share a range.
@@ -195,13 +195,14 @@ sensor:
    value_type: U_WORD
    modbus_controller_id: modbus_controller_ok

-  # H - a sensor pinned to its own range, followed by a contiguous one.
+  # H - a sensor that never joins the range built before it (reuse_previous_range: false), followed
+  # by a contiguous plain item that extends the new range it started.
  - platform: modbus_controller
    name: "forced_first"
    address: 0x160
    register_type: holding
    value_type: U_WORD
-    force_new_range: true
+    reuse_previous_range: false
    modbus_controller_id: modbus_controller_ok
  - platform: modbus_controller
    name: "forced_next"
@@ -0,0 +1,227 @@
+esphome:
+  name: uart-mock-modbus-ranges-test
+
+host:
+api:
+logger:
+  level: VERBOSE
+
+external_components:
+  - source:
+      type: local
+      path: EXTERNAL_COMPONENT_PATH
+
+# Dummy uart entry to satisfy modbus's DEPENDENCIES = ["uart"]
+# The actual UART bus used is the uart_mock component below
+uart:
+  baud_rate: 115200
+  port: /dev/null
+
+# Each expect_tx below pins the exact read request the controller's range builder emits, so this
+# fixture is a wire-level test of reuse_previous_range (auto/yes/no), gap joins, same-register reuse,
+# response_size surplus accounting, and RAW/text block reads.
+uart_mock:
+  - id: virtual_uart_dev
+    baud_rate: 9600
+    rx_full_threshold: 120
+    rx_timeout: 2
+    # auto_start must be false to avoid races: the test presses the
+    # "Start Scenario" button only after subscribing to states.
+    auto_start: false
+    debug:
+    responses:
+      - expect_tx: [0x01, 0x03, 0x00, 0x00, 0x00, 0x03, 0x05, 0xCB] # auto adjacency: one read covers 0x00-0x02
+        inject_rx: [0x01, 0x03, 0x06, 0x00, 0x01, 0x00, 0x02, 0x00, 0x03, 0xFD, 0x74]
+      - expect_tx: [0x01, 0x03, 0x00, 0x10, 0x00, 0x01, 0x85, 0xCF] # auto gap: 0x10 alone
+        inject_rx: [0x01, 0x03, 0x02, 0x00, 0x04, 0xB9, 0x87]
+      - expect_tx: [0x01, 0x03, 0x00, 0x13, 0x00, 0x01, 0x75, 0xCF] # auto gap: 0x13 alone
+        inject_rx: [0x01, 0x03, 0x02, 0x00, 0x05, 0x78, 0x47]
+      - expect_tx: [0x01, 0x03, 0x00, 0x20, 0x00, 0x04, 0x45, 0xC3] # yes across gap: one read 0x20-0x23, gap registers ignored
+        inject_rx: [0x01, 0x03, 0x08, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x33, 0xD1]
+      - expect_tx: [0x01, 0x03, 0x00, 0x30, 0x00, 0x01, 0x84, 0x05] # no isolation: 0x30 alone despite adjacency
+        inject_rx: [0x01, 0x03, 0x02, 0x00, 0x0A, 0x38, 0x43]
+      - expect_tx: [0x01, 0x03, 0x00, 0x31, 0x00, 0x01, 0xD5, 0xC5] # no isolation: 0x31 alone
+        inject_rx: [0x01, 0x03, 0x02, 0x00, 0x0B, 0xF9, 0x83]
+      - expect_tx: [0x01, 0x03, 0x00, 0x3F, 0x00, 0x01, 0xB4, 0x06] # open NEVER: 0x3F alone (the reuse:false item split off)
+        inject_rx: [0x01, 0x03, 0x02, 0x00, 0x0C, 0xB8, 0x41]
+      - expect_tx: [0x01, 0x03, 0x00, 0x40, 0x00, 0x02, 0xC5, 0xDF] # open NEVER: 0x40 (reuse: false) still extended by the auto item at 0x41
+        inject_rx: [0x01, 0x03, 0x04, 0x00, 0x0D, 0x00, 0x0E, 0xEA, 0x34]
+      - expect_tx: [0x01, 0x03, 0x00, 0x50, 0x00, 0x01, 0x84, 0x1B] # same-address reuse: one read, two sensors on 0x50
+        inject_rx: [0x01, 0x03, 0x02, 0x12, 0x34, 0xB5, 0x33]
+      - expect_tx: [0x01, 0x03, 0x00, 0x60, 0x00, 0x04, 0x44, 0x17] # text block + adjacent word: one read 0x60-0x63
+        inject_rx: [0x01, 0x03, 0x08, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x00, 0x0F, 0x78, 0x0E]
+      - expect_tx: [0x01, 0x03, 0x00, 0x70, 0x00, 0x02, 0xC5, 0xD0] # response_size surplus: 0x70 answers 4 bytes, reuse:true word at 0x71 shifted along
+        inject_rx: [0x01, 0x03, 0x06, 0x00, 0x10, 0xAA, 0xBB, 0x00, 0x11, 0x71, 0x47]
+      - expect_tx: [0x01, 0x03, 0x00, 0x90, 0x00, 0x01, 0x84, 0x27] # auto after surplus: 0x90 alone (auto never joins past response_size)
+        inject_rx: [0x01, 0x03, 0x04, 0x00, 0x18, 0xCC, 0xDD, 0xEF, 0x6D]
+      - expect_tx: [0x01, 0x03, 0x00, 0x91, 0x00, 0x01, 0xD5, 0xE7] # auto after surplus: 0x91 alone
+        inject_rx: [0x01, 0x03, 0x02, 0x00, 0x19, 0x79, 0x8E]
+      - expect_tx: [0x01, 0x03, 0x00, 0x80, 0x00, 0x04, 0x45, 0xE1] # RAW block via response_size: 8 bytes = 4 registers in one read
+        inject_rx: [0x01, 0x03, 0x08, 0x00, 0x14, 0x00, 0x15, 0x00, 0x16, 0x00, 0x17, 0x6D, 0xDF]
+
+modbus:
+  uart_id: virtual_uart_dev
+  send_wait_time: 200ms
+  turnaround_time: 10ms
+
+modbus_controller:
+  - address: 1
+    id: ranges_controller
+    max_cmd_retries: 0
+    # The test triggers a single poll by pressing the "Start Scenario" button
+    update_interval: never
+
+sensor:
+  # Case 1: three adjacent registers merge into one read (auto default)
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "adjacent_a"
+    register_type: holding
+    address: 0x00
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "adjacent_b"
+    register_type: holding
+    address: 0x01
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "adjacent_c"
+    register_type: holding
+    address: 0x02
+
+  # Case 2: a gap keeps auto items apart
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "gap_a"
+    register_type: holding
+    address: 0x10
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "gap_b"
+    register_type: holding
+    address: 0x13
+
+  # Case 3: reuse_previous_range: true bridges the gap into one read
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "bridge_a"
+    register_type: holding
+    address: 0x20
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "bridge_b"
+    register_type: holding
+    address: 0x23
+    reuse_previous_range: true
+
+  # Case 4: reuse_previous_range: false splits adjacent registers
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "split_a"
+    register_type: holding
+    address: 0x30
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "split_b"
+    register_type: holding
+    address: 0x31
+    reuse_previous_range: false
+
+  # Case 5: a reuse:false item starts its own range but stays open for later auto items
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "open_prev"
+    register_type: holding
+    address: 0x3F
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "open_never"
+    register_type: holding
+    address: 0x40
+    reuse_previous_range: false
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "open_tagalong"
+    register_type: holding
+    address: 0x41
+
+  # Case 6: two sensors on the same register share one read
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "shared_lo"
+    register_type: holding
+    address: 0x50
+    bitmask: 0x00FF
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "shared_hi"
+    register_type: holding
+    address: 0x50
+    bitmask: 0xFF00
+
+  # Case 10 (text block, see text_sensor below) shares the range with this word at 0x63
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "after_text"
+    register_type: holding
+    address: 0x63
+
+  # Case 11: response_size surplus — the device answers 4 bytes for this single register, so the
+  # following sensor's data sits 2 bytes later than its address alone implies. Joining past a
+  # non-standard response_size takes an explicit reuse_previous_range: true.
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "surplus"
+    register_type: holding
+    address: 0x70
+    response_size: 4
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "after_surplus"
+    register_type: holding
+    address: 0x71
+    reuse_previous_range: true
+
+  # Case 13: auto never joins past a response_size register — despite adjacency these poll separately
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "surplus_split"
+    register_type: holding
+    address: 0x90
+    response_size: 4
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "after_surplus_split"
+    register_type: holding
+    address: 0x91
+
+  # Case 12: RAW + response_size reads a block of ceil(8/2) = 4 registers
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "raw_block"
+    register_type: holding
+    address: 0x80
+    value_type: RAW
+    response_size: 8
+    lambda: |-
+      return (float) data.size();
+
+text_sensor:
+  # Case 10: text sensor reads 3 registers (response_size 6)
+  - platform: modbus_controller
+    modbus_controller_id: ranges_controller
+    name: "text_block"
+    register_type: holding
+    address: 0x60
+    response_size: 6
+    raw_encode: NONE
+
+button:
+  - platform: template
+    name: "Start Scenario"
+    id: start_scenario_btn
+    on_press:
+      - lambda: |-
+          id(virtual_uart_dev).start_scenario();
+          id(ranges_controller).set_update_interval(1000);
+          id(ranges_controller).start_poller();
@@ -32,9 +32,9 @@ uart_mock:
      # duplicate or overlapping range would put an extra frame on the bus and fail to match.
      - expect_tx: [0x01, 0x03, 0x90, 0x01, 0x00, 0x02, 0xB8, 0xCB] # Read holding 0x9001 count 2 on device 1
        inject_rx: [0x01, 0x03, 0x04, 0x03, 0x97, 0x02, 0x91, 0x8B, 0x57] # 0x9001=0x0397, 0x9002=0x0291
-      # A force_new_range sensor at a HIGH address (0x30) sorts before the plain sensor at a LOW address
-      # (0x10). The two must poll as separate ranges: the covered branch's lower-bound check prevents the
-      # 0x10 sensor from being absorbed into the forced 0x30 range with a wrapped byte offset.
+      # A sensor at 0x30 with the deprecated force_new_range (migrates to reuse_previous_range: false)
+      # and a plain sensor at 0x10. The two must poll as separate ranges: the 0x10 sensor must not be
+      # absorbed into the isolated 0x30 range.
      - expect_tx: [0x01, 0x03, 0x00, 0x30, 0x00, 0x01, 0x84, 0x05] # Read holding 0x30 count 1 (forced range)
        inject_rx: [0x01, 0x03, 0x02, 0x01, 0x11, 0x79, 0xD8] # 0x30 = 0x0111 = 273
      - expect_tx: [0x01, 0x03, 0x00, 0x10, 0x00, 0x01, 0x85, 0xCF] # Read holding 0x10 count 1 (own range)
@@ -87,7 +87,7 @@ sensor:
    register_type: holding
    value_type: U_WORD
    modbus_controller_id: modbus_controller_ok
-  # Forced sensor at a high address: sorts first, opens its own isolated range
+  # Isolated sensor (deprecated spelling, migrates to reuse_previous_range: false): own range
  - platform: modbus_controller
    name: "forced_high"
    address: 0x30
@@ -95,7 +95,7 @@ sensor:
    value_type: U_WORD
    force_new_range: true
    modbus_controller_id: modbus_controller_ok
-  # Plain sensor at a lower address: must get its own range, never absorbed into the forced one
+  # Plain sensor at a lower address: must get its own range, never absorbed into the isolated one
  - platform: modbus_controller
    name: "plain_low"
    address: 0x10
@@ -21,7 +21,7 @@ import asyncio
 from collections.abc import Callable
 from dataclasses import dataclass

-from aioesphomeapi import ButtonInfo, NumberInfo, SwitchInfo
+from aioesphomeapi import ButtonInfo, NumberInfo, SwitchInfo, TextSensorState
 import pytest

 from .state_utils import SensorTracker, find_entity, wait_for_state
@@ -1158,3 +1158,78 @@ async def test_uart_mock_modbus_deprecated_write_buffer(
    assert warn_count == 1, (
        f"deprecation warning should fire exactly once per entity, got {warn_count}"
    )
+
+
+@pytest.mark.asyncio
+async def test_uart_mock_modbus_ranges(
+    yaml_config: str,
+    run_compiled: RunCompiledFunction,
+    api_client_connected: APIClientConnectedFactory,
+) -> None:
+    """Wire-level test of the range builder's reuse_previous_range semantics.
+
+    Every expect_tx in the fixture pins the exact read request the controller emits, so a
+    wrongly merged or split range fails on the mock before any value arrives. Covers: auto
+    adjacency merging, auto gap splitting, reuse:true bridging a gap (with correct data
+    offsets past the gap), reuse:false splitting adjacent registers while staying open for
+    later auto items, two sensors sharing one register, a text block read sized by
+    response_size with a following word, response_size surplus shifting a later reuse:true
+    sensor's bytes while an auto sensor refuses to join past the surplus, and a RAW block
+    read of ceil(response_size / 2) registers.
+    """
+
+    line_callback, error_log_lines, warning_log_lines = _make_modbus_line_callback()
+
+    expected_values = {
+        "adjacent_a": 1,
+        "adjacent_b": 2,
+        "adjacent_c": 3,
+        "gap_a": 4,
+        "gap_b": 5,
+        "bridge_a": 6,
+        "bridge_b": 9,
+        "split_a": 10,
+        "split_b": 11,
+        "open_prev": 12,
+        "open_never": 13,
+        "open_tagalong": 14,
+        "shared_lo": 0x34,
+        "shared_hi": 0x12,
+        "after_text": 15,
+        "surplus": 16,
+        "after_surplus": 17,
+        "surplus_split": 24,
+        "after_surplus_split": 25,
+        "raw_block": 8,  # the RAW lambda publishes data.size(): 4 registers = 8 bytes
+    }
+    tracker = SensorTracker(list(expected_values.keys()))
+    futures = tracker.expect_all(expected_values)
+
+    # The tracker only handles numeric sensors; capture the text block separately.
+    text_future: asyncio.Future = asyncio.get_running_loop().create_future()
+    tracker_on_state = tracker.on_state
+
+    def on_state(state) -> None:
+        if (
+            isinstance(state, TextSensorState)
+            and not state.missing_state
+            and state.state == "ABCDEF"
+            and not text_future.done()
+        ):
+            text_future.set_result(True)
+        tracker_on_state(state)
+
+    tracker.on_state = on_state
+
+    async with (
+        run_compiled(yaml_config, line_callback=line_callback),
+        api_client_connected() as client,
+    ):
+        await tracker.setup_and_start_scenario(client)
+        await tracker.await_all(futures)
+        # text_block is not tracker-registered (non-numeric), so time out explicitly.
+        try:
+            await asyncio.wait_for(text_future, timeout=5.0)
+        except TimeoutError:
+            pytest.fail("text_block never published 'ABCDEF'")
+        _assert_no_modbus_errors(error_log_lines, warning_log_lines)