Fix Python 3.14 incompatibility: Pin uvx to Python 3.13 for chroma-mcp (#171)

* Initial plan

* Initial exploration - no changes yet

Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>

* Add CLAUDE_MEM_PYTHON_VERSION env var defaulting to 3.13 for uvx/chroma-mcp to avoid onnxruntime Python 3.14 compatibility issues

Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>

* Fix code review comment: update placeholder issue URL to #170

Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: thedotmack <683968+thedotmack@users.noreply.github.com>

src/servers/search-server.ts

@@ -2687,9 +2687,11 @@ async function main() {
   setTimeout(async () => {
     try {
       console.error('[search-server] Initializing Chroma client...');
+      // Use Python 3.13 by default to avoid onnxruntime compatibility issues with Python 3.14+
+      const pythonVersion = process.env.CLAUDE_MEM_PYTHON_VERSION || '3.13';
       const chromaTransport = new StdioClientTransport({
         command: 'uvx',
-        args: ['chroma-mcp', '--client-type', 'persistent', '--data-dir', VECTOR_DB_DIR],
+        args: ['--python', pythonVersion, 'chroma-mcp', '--client-type', 'persistent', '--data-dir', VECTOR_DB_DIR],
         stderr: 'ignore'
       });
 

src/services/sync/ChromaSync.ts

@@ -94,9 +94,13 @@ export class ChromaSync {
     logger.info('CHROMA_SYNC', 'Connecting to Chroma MCP server...', { project: this.project });
 
     try {
+      // Use Python 3.13 by default to avoid onnxruntime compatibility issues with Python 3.14+
+      // See: https://github.com/thedotmack/claude-mem/issues/170 (Python 3.14 incompatibility)
+      const pythonVersion = process.env.CLAUDE_MEM_PYTHON_VERSION || '3.13';
       const transport = new StdioClientTransport({
         command: 'uvx',
         args: [
+          '--python', pythonVersion,
           'chroma-mcp',
           '--client-type', 'persistent',
           '--data-dir', this.VECTOR_DB_DIR