chore: rename cameleer3 to cameleer

Rename Java packages from com.cameleer3 to com.cameleer, module
directories from cameleer3-* to cameleer-*, and all references
throughout workflows, Dockerfiles, docs, migrations, and pom.xml.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/phases/03-agent-registry-sse-push/03-01-SUMMARY.md

@@ -27,22 +27,22 @@ tech-stack:
 
 key-files:
   created:
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/AgentInfo.java
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/AgentState.java
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/AgentCommand.java
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/CommandStatus.java
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/CommandType.java
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/AgentRegistryService.java
-    - cameleer3-server-core/src/main/java/com/cameleer3/server/core/agent/AgentEventListener.java
-    - cameleer3-server-core/src/test/java/com/cameleer3/server/core/agent/AgentRegistryServiceTest.java
-    - cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/AgentRegistryConfig.java
-    - cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/AgentRegistryBeanConfig.java
-    - cameleer3-server-app/src/main/java/com/cameleer3/server/app/agent/AgentLifecycleMonitor.java
-    - cameleer3-server-app/src/main/java/com/cameleer3/server/app/controller/AgentRegistrationController.java
-    - cameleer3-server-app/src/test/java/com/cameleer3/server/app/controller/AgentRegistrationControllerIT.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/AgentInfo.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/AgentState.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/AgentCommand.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/CommandStatus.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/CommandType.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/AgentRegistryService.java
+    - cameleer-server-core/src/main/java/com/cameleer/server/core/agent/AgentEventListener.java
+    - cameleer-server-core/src/test/java/com/cameleer/server/core/agent/AgentRegistryServiceTest.java
+    - cameleer-server-app/src/main/java/com/cameleer/server/app/config/AgentRegistryConfig.java
+    - cameleer-server-app/src/main/java/com/cameleer/server/app/config/AgentRegistryBeanConfig.java
+    - cameleer-server-app/src/main/java/com/cameleer/server/app/agent/AgentLifecycleMonitor.java
+    - cameleer-server-app/src/main/java/com/cameleer/server/app/controller/AgentRegistrationController.java
+    - cameleer-server-app/src/test/java/com/cameleer/server/app/controller/AgentRegistrationControllerIT.java
   modified:
-    - cameleer3-server-app/src/main/java/com/cameleer3/server/app/Cameleer3ServerApplication.java
-    - cameleer3-server-app/src/main/resources/application.yml
+    - cameleer-server-app/src/main/java/com/cameleer/server/app/CameleerServerApplication.java
+    - cameleer-server-app/src/main/resources/application.yml
 
 key-decisions:
   - "AgentInfo as Java record with wither-style methods for immutable ConcurrentHashMap swapping"
@@ -103,7 +103,7 @@ _Note: Task 1 used TDD with separate RED/GREEN commits_
 - `AgentRegistrationController.java` - REST endpoints for agents
 - `AgentRegistryServiceTest.java` - 23 unit tests
 - `AgentRegistrationControllerIT.java` - 7 integration tests
-- `Cameleer3ServerApplication.java` - Added AgentRegistryConfig to @EnableConfigurationProperties
+- `CameleerServerApplication.java` - Added AgentRegistryConfig to @EnableConfigurationProperties
 - `application.yml` - Added agent-registry config section and spring.mvc.async.request-timeout
 
 ## Decisions Made