feat: Add MCP server stubs, development docs, and Docker updates

- Add MCP server skeleton implementations for all 7 planned servers
  (llm-gateway, knowledge-base, git, issues, filesystem, code-analysis, cicd)
- Add comprehensive DEVELOPMENT.md with setup and usage instructions
- Add BACKLOG.md with detailed phase planning
- Update docker-compose.dev.yml with Redis and Celery workers
- Update CLAUDE.md with Syndarix-specific context

Addresses issues #16, #20, #21

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

mcp-servers/issues/server.py

@@ -0,0 +1,76 @@
+"""
+Syndarix Issues MCP Server.
+
+Provides issue tracker operations with:
+- Multi-provider support (Gitea, GitHub, GitLab)
+- Bi-directional sync
+- LWW conflict resolution
+
+Per ADR-011: Issue Synchronization.
+"""
+
+import os
+
+from fastmcp import FastMCP
+
+mcp = FastMCP(
+    "syndarix-issues",
+    description="Issue tracker synchronization",
+)
+
+
+@mcp.tool()
+async def list_issues(
+    project_id: str,
+    state: str = "open",
+    labels: list[str] | None = None,
+) -> dict:
+    """List issues for a project."""
+    return {"status": "not_implemented", "project_id": project_id}
+
+
+@mcp.tool()
+async def get_issue(project_id: str, issue_id: str) -> dict:
+    """Get a specific issue."""
+    return {"status": "not_implemented", "project_id": project_id}
+
+
+@mcp.tool()
+async def create_issue(
+    project_id: str,
+    title: str,
+    body: str,
+    labels: list[str] | None = None,
+    assignees: list[str] | None = None,
+) -> dict:
+    """Create a new issue."""
+    return {"status": "not_implemented", "project_id": project_id}
+
+
+@mcp.tool()
+async def update_issue(
+    project_id: str,
+    issue_id: str,
+    title: str | None = None,
+    body: str | None = None,
+    state: str | None = None,
+    labels: list[str] | None = None,
+) -> dict:
+    """Update an existing issue."""
+    return {"status": "not_implemented", "project_id": project_id}
+
+
+@mcp.tool()
+async def add_comment(project_id: str, issue_id: str, body: str) -> dict:
+    """Add a comment to an issue."""
+    return {"status": "not_implemented", "project_id": project_id}
+
+
+@mcp.tool()
+async def sync_issues(project_id: str, full: bool = False) -> dict:
+    """Trigger issue sync for a project."""
+    return {"status": "not_implemented", "project_id": project_id}
+
+
+if __name__ == "__main__":
+    mcp.run()