Move server dependencies to core, restore optional-dependencies section

Server deps (fastapi, uvicorn, fastmcp) are now core dependencies.
Restored dev and kuzu optional groups that were accidentally removed.

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

Author: aksOps

pyproject.toml

@@ -21,6 +21,9 @@ dependencies = [
     "sqlparse>=0.5",
     "pydantic>=2.0",
     "pathspec>=0.11",
+    "fastapi>=0.115",
+    "uvicorn[standard]>=0.34",
+    "fastmcp>=2.0",
 ]
 
 [project.optional-dependencies]
@@ -30,11 +33,6 @@ dev = [
 ]
 kuzu = ["kuzu>=0.6"]
 all-backends = ["kuzu>=0.6"]
-server = [
-    "fastapi>=0.115",
-    "uvicorn[standard]>=0.34",
-    "fastmcp>=2.0",
-]
 
 [project.scripts]
 code-iq = "code_intelligence.cli:app"

src/code_intelligence/cli.py

@@ -693,11 +693,7 @@ def serve(
     config: Annotated[Optional[Path], typer.Option("--config", "-c")] = None,
 ) -> None:
     """Start the Code IQ server (API + MCP on one port)."""
-    try:
-        import uvicorn
-    except ImportError:
-        console.print("Server dependencies not installed. Run: pip install code-intelligence[server]")
-        raise typer.Exit(1)
+    import uvicorn
     from code_intelligence.server.app import create_app
 
     console.print(f"[bold]Code IQ Server[/bold]")