feat: 添加工具调用支持，增强 CLI 工具和 MCP 管理功能

ccw/src/tools/claude-cli-tools.ts

@@ -216,6 +216,55 @@ function ensureToolTags(tool: Partial<ClaudeCliTool>): ClaudeCliTool {
   };
 }
 
+/**
+ * Ensure CLI tools configuration file exists
+ * Creates default config if missing (auto-rebuild feature)
+ * @param projectDir - Project directory path
+ * @param createInProject - If true, create in project dir; if false, create in global dir
+ * @returns The config that was created/exists
+ */
+export function ensureClaudeCliTools(projectDir: string, createInProject: boolean = true): ClaudeCliToolsConfig & { _source?: string } {
+  const resolved = resolveConfigPath(projectDir);
+
+  if (resolved.source !== 'default') {
+    // Config exists, load and return it
+    return loadClaudeCliTools(projectDir);
+  }
+
+  // Config doesn't exist - create default
+  console.log('[claude-cli-tools] Config not found, creating default cli-tools.json');
+
+  const defaultConfig: ClaudeCliToolsConfig = { ...DEFAULT_TOOLS_CONFIG };
+
+  if (createInProject) {
+    // Create in project directory
+    ensureClaudeDir(projectDir);
+    const projectPath = getProjectConfigPath(projectDir);
+    try {
+      fs.writeFileSync(projectPath, JSON.stringify(defaultConfig, null, 2), 'utf-8');
+      console.log(`[claude-cli-tools] Created default config at: ${projectPath}`);
+      return { ...defaultConfig, _source: 'project' };
+    } catch (err) {
+      console.error('[claude-cli-tools] Failed to create project config:', err);
+    }
+  }
+
+  // Fallback: create in global directory
+  const globalDir = path.join(os.homedir(), '.claude');
+  if (!fs.existsSync(globalDir)) {
+    fs.mkdirSync(globalDir, { recursive: true });
+  }
+  const globalPath = getGlobalConfigPath();
+  try {
+    fs.writeFileSync(globalPath, JSON.stringify(defaultConfig, null, 2), 'utf-8');
+    console.log(`[claude-cli-tools] Created default config at: ${globalPath}`);
+    return { ...defaultConfig, _source: 'global' };
+  } catch (err) {
+    console.error('[claude-cli-tools] Failed to create global config:', err);
+    return { ...defaultConfig, _source: 'default' };
+  }
+}
+
 /**
  * Load CLI tools configuration with fallback:
  * 1. Project: {projectDir}/.claude/cli-tools.json

ccw/src/tools/cli-output-converter.ts

@@ -19,7 +19,8 @@ export type CliOutputUnitType =
   | 'file_diff'      // File modification diff
   | 'progress'       // Progress updates
   | 'metadata'       // Session/execution metadata
-  | 'system';        // System events/messages
+  | 'system'         // System events/messages
+  | 'tool_call';     // Tool invocation/result (Gemini tool_use/tool_result)
 
 /**
  * Intermediate Representation unit
@@ -295,6 +296,38 @@ export class JsonLinesParser implements IOutputParser {
       };
     }
 
+    // Gemini tool_use: {"type":"tool_use","timestamp":"...","tool_name":"...","tool_id":"...","parameters":{...}}
+    if (json.type === 'tool_use' && json.tool_name) {
+      return {
+        type: 'tool_call',
+        content: {
+          tool: 'gemini',
+          action: 'invoke',
+          toolName: json.tool_name,
+          toolId: json.tool_id,
+          parameters: json.parameters,
+          raw: json
+        },
+        timestamp
+      };
+    }
+
+    // Gemini tool_result: {"type":"tool_result","timestamp":"...","tool_id":"...","status":"...","output":"..."}
+    if (json.type === 'tool_result' && json.tool_id) {
+      return {
+        type: 'tool_call',
+        content: {
+          tool: 'gemini',
+          action: 'result',
+          toolId: json.tool_id,
+          status: json.status,
+          output: json.output,
+          raw: json
+        },
+        timestamp
+      };
+    }
+
     // ========== Codex CLI --json format ==========
     // {"type":"thread.started","thread_id":"..."}
     // {"type":"turn.started"}
@@ -733,6 +766,20 @@ export function flattenOutputUnits(
           }
           break;
 
+        case 'tool_call':
+          // Format tool call/result
+          if (unit.content.action === 'invoke') {
+            const params = unit.content.parameters ? JSON.stringify(unit.content.parameters) : '';
+            text += `[Tool] ${unit.content.toolName}(${params})`;
+          } else if (unit.content.action === 'result') {
+            const status = unit.content.status || 'unknown';
+            const output = unit.content.output ? `: ${unit.content.output.substring(0, 200)}${unit.content.output.length > 200 ? '...' : ''}` : '';
+            text += `[Tool Result] ${status}${output}`;
+          } else {
+            text += JSON.stringify(unit.content);
+          }
+          break;
+
         case 'metadata':
         case 'system':
           // Metadata and system events are typically excluded from prompt context