[cicoyle]

Pairs with the dapr/dapr change that sends Dapr-Actor-Activation-Id on actor callbacks.

After daprd is killed the app keeps its actor objects, and the new daprd never sends DELETE for them. The SDK reused the stale object, skipped onActivate and kept its in-memory fields.

• new id: onDeactivate the old object (errors logged), activate a fresh one
• same id or no id (older daprd): reuse, same as today
• a call on a replaced or deleted object still runs onPostActorMethod, then skips the save and fails with IllegalStateException
• a late first activation never replaces a newer one, a different id fails
• ActorRuntime and DaprController get overloads with the id, old signatures still work
• HTTP only, this SDK has no gRPC actor callback stream

Not covered: a save already in flight can still land late. Etags on actor state are a follow-up.

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[nelson-parente]

#1840 added the gRPC actor event stream after this branched. ActorEventDispatcher on master calls runtime.invoke, invokeReminder and invokeTimer without the activation id, so stream-hosted actors keep the stale object. Can you rebase and pass the id from request.getMetadata() there?

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[codecov]

Codecov Report

❌ Patch coverage is 84.75177% with 43 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.94%. Comparing base (84aa4d7) to head (70e51ad).

Files with missing lines	Patch %	Lines
...java/io/dapr/actors/runtime/ActorStateManager.java	71.79%	23 Missing and 10 partials ⚠️
.../java/io/dapr/actors/runtime/ActivationIdGate.java	90.38%	2 Missing and 3 partials ⚠️
...in/java/io/dapr/actors/runtime/DaprClientImpl.java	0.00%	3 Missing ⚠️
...a/io/dapr/actors/runtime/ActorEventDispatcher.java	90.90%	0 Missing and 1 partial ⚠️
...main/java/io/dapr/actors/runtime/ActorManager.java	98.70%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1876      +/-   ##
============================================
+ Coverage     80.69%   80.94%   +0.25%     
- Complexity     2851     2922      +71     
============================================
  Files           275      276       +1     
  Lines          8459     8591     +132     
  Branches        911      930      +19     
============================================
+ Hits           6826     6954     +128     
+ Misses         1266     1265       -1     
- Partials        367      372       +5     

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