chore: bump version to 7.2.7

- Enhance smart-search with advanced MCP integration
- Add GEMINI_API_KEY configuration support in codexlens
- Update MCP server with new tool handlers
- Add tests for smart-search MCP usage
- Update documentation

ccw/frontend/src/components/codexlens/envVarSchema.ts

@@ -56,6 +56,13 @@ export const envVarGroupsSchema: EnvVarGroupsSchema = {
           },
         ],
       },
+      CODEXLENS_AUTO_EMBED_MISSING: {
+        key: 'CODEXLENS_AUTO_EMBED_MISSING',
+        labelKey: 'codexlens.envField.autoEmbedMissing',
+        type: 'checkbox',
+        default: 'true',
+        settingsPath: 'embedding.auto_embed_missing',
+      },
       CODEXLENS_USE_GPU: {
         key: 'CODEXLENS_USE_GPU',
         labelKey: 'codexlens.envField.useGpu',