feat: implement dynamic version detection from git tags

- Replace hardcoded version with setuptools-scm for automatic versioning
- Add setuptools-scm as runtime dependency
- Version now dynamically derived from latest git tag
- Includes fallback to hardcoded version when setuptools-scm unavailable

Author: James Zhu

code_assistant_manager/__init__.py

@@ -14,7 +14,11 @@
 See DESIGN_PATTERNS_README.md for detailed documentation.
 """
 
-__version__ = "1.1.0"
+try:
+    import setuptools_scm
+    __version__ = setuptools_scm.get_version()
+except (ImportError, LookupError):
+    __version__ = "1.1.0"  # Fallback to hardcoded version
 __author__ = "Code Assistant Manager Contributors"
 
 from .config import ConfigManager

pyproject.toml

@@ -22,6 +22,7 @@ dependencies = [
   "httpx>=0.27.0",
   "tomli>=2.0.0",
   "tomli-w>=1.0.0",
+  "setuptools-scm>=8.0.0",
 ]
 
 [project.urls]
@@ -58,9 +59,6 @@ dev = [
 where = ["."]
 exclude = ["tests*", "build*"]
 
-[tool.setuptools.dynamic]
-version = {attr = "code_assistant_manager.__version__"}
-
 [tool.setuptools.package-data]
 "code_assistant_manager" = [
   "mcp/registry/**/*.json",