[scheduler] Replace unique_ptr with raw pointers, add leak detection (#14620)

tests/integration/fixtures/scheduler_bulk_cleanup.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-bulk-cleanup
 
 external_components:

tests/integration/fixtures/scheduler_defer_cancel.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-defer-cancel
 
 host:

tests/integration/fixtures/scheduler_defer_cancels_regular.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-defer-cancel-regular
 
 host:

tests/integration/fixtures/scheduler_defer_fifo_simple.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-defer-fifo-simple
 
 host:

tests/integration/fixtures/scheduler_defer_stress.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-defer-stress-test
 
 external_components:

tests/integration/fixtures/scheduler_heap_stress.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-heap-stress-test
 
 external_components:

tests/integration/fixtures/scheduler_internal_id_no_collision.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-internal-id-test
   on_boot:
     priority: -100

tests/integration/fixtures/scheduler_null_name.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-null-name
 
 host:

tests/integration/fixtures/scheduler_numeric_id_test.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-numeric-id-test
   on_boot:
     priority: -100

tests/integration/fixtures/scheduler_rapid_cancellation.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: sched-rapid-cancel-test
 
 external_components:

tests/integration/fixtures/scheduler_recursive_timeout.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: sched-recursive-timeout
 
 external_components:

tests/integration/fixtures/scheduler_removed_item_race.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-removed-item-race
 
 host:

tests/integration/fixtures/scheduler_retry_test.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-retry-test
   on_boot:
     priority: -100

tests/integration/fixtures/scheduler_simultaneous_callbacks.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: sched-simul-callbacks-test
 
 external_components:

tests/integration/fixtures/scheduler_string_lifetime.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: scheduler-string-lifetime-test
 
 external_components:

tests/integration/fixtures/scheduler_string_name_stress.yaml

@@ -1,4 +1,5 @@
 esphome:
+  debug_scheduler: true  # Enable scheduler leak detection
   name: sched-string-name-stress
 
 external_components: