fix: Improve OpenAPI operation parser type safety and code organization

.gitignore

@@ -92,6 +92,29 @@ uv.lock
 docs/_build/
 site/
 
+# Claude Code specific
+CLAUDE.md.bak
+*.claude
+.claude/
+claude_context/
+claude_logs/
+
+# SQLite databases (development only)
+*.db
+*.sqlite
+*.sqlite3
+memory.db
+agent_memory.db
+
+# Python compatibility testing files (development only)
+check_py39_compatibility.py
+test_runtime_compatibility.py
+test_py39_docker.py
+test_simple_py39.py
+test_core_py39.py
+test_sqlite_docker.py
+test_real_sqlite_docker.py
+
 # Misc
 .DS_Store
 Thumbs.db

pyproject.toml

@@ -27,6 +27,7 @@ dependencies = [
   # go/keep-sorted start
   "PyYAML>=6.0.2, <7.0.0",                                  # For APIHubToolset.
   "absolufy-imports>=0.3.1, <1.0.0",                        # For Agent Engine deployment.
+  "aiosqlite>=0.20.0, <1.0.0",                              # For SqliteMemoryService
   "anyio>=4.9.0, <5.0.0;python_version>='3.10'",            # For MCP Session Manager
   "authlib>=1.5.1, <2.0.0",                                 # For RestAPI Tool
   "click>=8.1.8, <9.0.0",                                   # For CLI tools

src/google/adk/memory/__init__.py

@@ -15,13 +15,15 @@
 
 from .base_memory_service import BaseMemoryService
 from .in_memory_memory_service import InMemoryMemoryService
+from .sqlite_memory_service import SqliteMemoryService
 from .vertex_ai_memory_bank_service import VertexAiMemoryBankService
 
 logger = logging.getLogger('google_adk.' + __name__)
 
 __all__ = [
     'BaseMemoryService',
     'InMemoryMemoryService',
+    'SqliteMemoryService',
     'VertexAiMemoryBankService',
 ]