feat: 导出 SproutClaw .sproutclaw 配置

包含 extensions、skills、prompts、settings、auth、models、mcp 等配置。
排除 node_modules、npm 缓存、sessions 等运行时数据。

agent/extensions/pi-mcp-adapter/index.ts

@@ -0,0 +1,361 @@
+import type { ExtensionAPI, ToolInfo } from "@earendil-works/pi-coding-agent";
+import type { McpExtensionState } from "./state.ts";
+import { Type } from "typebox";
+import { showStatus, showTools, reconnectServers, authenticateServer, logoutServer, openMcpAuthPanel, openMcpPanel, openMcpSetup } from "./commands.ts";
+import { loadMcpConfig } from "./config.ts";
+import { buildProxyDescription, createDirectToolExecutor, getMissingConfiguredDirectToolServers, resolveDirectTools } from "./direct-tools.ts";
+import { flushMetadataCache, initializeMcp, updateStatusBar } from "./init.ts";
+import { loadMetadataCache } from "./metadata-cache.ts";
+import { executeAuthComplete, executeAuthStart, executeCall, executeConnect, executeDescribe, executeList, executeSearch, executeStatus, executeUiMessages } from "./proxy-modes.ts";
+import { getConfigPathFromArgv, truncateAtWord } from "./utils.ts";
+import { initializeOAuth, shutdownOAuth } from "./mcp-auth-flow.ts";
+import { createMcpDirectToolCallRenderer, renderMcpProxyToolCall, renderMcpToolResult } from "./tool-result-renderer.ts";
+
+export default function mcpAdapter(pi: ExtensionAPI) {
+  let state: McpExtensionState | null = null;
+  let initPromise: Promise<McpExtensionState> | null = null;
+  let lifecycleGeneration = 0;
+
+  async function shutdownState(currentState: McpExtensionState | null, reason: string): Promise<void> {
+    if (!currentState) return;
+
+    if (currentState.uiServer) {
+      currentState.uiServer.close(reason);
+      currentState.uiServer = null;
+    }
+
+    let flushError: unknown;
+    try {
+      flushMetadataCache(currentState);
+    } catch (error) {
+      flushError = error;
+    }
+
+    try {
+      await currentState.lifecycle.gracefulShutdown();
+    } catch (error) {
+      if (flushError) {
+        console.error("MCP: graceful shutdown failed after metadata flush error", error);
+      } else {
+        throw error;
+      }
+    }
+
+    if (flushError) {
+      throw flushError;
+    }
+  }
+
+  const earlyConfigPath = getConfigPathFromArgv();
+  const earlyConfig = loadMcpConfig(earlyConfigPath);
+  const earlyCache = loadMetadataCache();
+  const prefix = earlyConfig.settings?.toolPrefix ?? "server";
+
+  const envRaw = process.env.MCP_DIRECT_TOOLS;
+  const directSpecs = envRaw === "__none__"
+    ? []
+    : resolveDirectTools(
+        earlyConfig,
+        earlyCache,
+        prefix,
+        envRaw?.split(",").map(s => s.trim()).filter(Boolean),
+      );
+  const missingConfiguredDirectToolServers = getMissingConfiguredDirectToolServers(earlyConfig, earlyCache);
+  const shouldRegisterProxyTool =
+    earlyConfig.settings?.disableProxyTool !== true
+    || directSpecs.length === 0
+    || missingConfiguredDirectToolServers.length > 0;
+
+  for (const spec of directSpecs) {
+    (pi.registerTool as (tool: unknown) => unknown)({
+      name: spec.prefixedName,
+      label: `MCP: ${spec.originalName}`,
+      description: spec.description || "(no description)",
+      promptSnippet: truncateAtWord(spec.description, 100) || `MCP tool from ${spec.serverName}`,
+      parameters: Type.Unsafe((spec.inputSchema || { type: "object", properties: {} }) as never),
+      execute: createDirectToolExecutor(() => state, () => initPromise, spec),
+      renderCall: createMcpDirectToolCallRenderer(spec.prefixedName),
+      renderResult: renderMcpToolResult,
+    });
+  }
+
+  const getPiTools = (): ToolInfo[] => pi.getAllTools();
+
+  pi.registerFlag("mcp-config", {
+    description: "Path to MCP config file",
+    type: "string",
+  });
+
+  pi.on("session_start", async (_event, ctx) => {
+    const generation = ++lifecycleGeneration;
+    const previousState = state;
+    state = null;
+    initPromise = null;
+
+    try {
+      await Promise.all([
+        shutdownState(previousState, "session_restart"),
+        shutdownOAuth(),
+      ]);
+    } catch (error) {
+      console.error("MCP: failed to shut down previous session state", error);
+    }
+
+    if (generation !== lifecycleGeneration) {
+      return;
+    }
+
+    await initializeOAuth().catch(err => {
+      console.error("MCP OAuth initialization failed:", err);
+    });
+
+    const promise = initializeMcp(pi, ctx);
+    initPromise = promise;
+
+    promise.then(async (nextState) => {
+      if (generation !== lifecycleGeneration || initPromise !== promise) {
+        try {
+          await shutdownState(nextState, "stale_session_start");
+        } catch (error) {
+          console.error("MCP: failed to clean stale session state", error);
+        }
+        return;
+      }
+
+      state = nextState;
+      updateStatusBar(nextState);
+      initPromise = null;
+    }).catch(err => {
+      if (generation !== lifecycleGeneration) {
+        return;
+      }
+      if (initPromise !== promise && initPromise !== null) {
+        return;
+      }
+      console.error("MCP initialization failed:", err);
+      initPromise = null;
+    });
+  });
+
+  pi.on("session_shutdown", async () => {
+    ++lifecycleGeneration;
+    const currentState = state;
+    state = null;
+    initPromise = null;
+
+    try {
+      await Promise.all([
+        shutdownState(currentState, "session_shutdown"),
+        shutdownOAuth(),
+      ]);
+    } catch (error) {
+      console.error("MCP: session shutdown cleanup failed", error);
+    }
+  });
+
+  pi.registerCommand("mcp", {
+    description: "Show MCP server status",
+    handler: async (args, ctx) => {
+      if (!state && initPromise) {
+        try {
+          state = await initPromise;
+        } catch (error) {
+          const message = error instanceof Error ? error.message : String(error);
+          if (ctx.hasUI) ctx.ui.notify(`MCP initialization failed: ${message}`, "error");
+          return;
+        }
+      }
+      if (!state) {
+        if (ctx.hasUI) ctx.ui.notify("MCP not initialized", "error");
+        return;
+      }
+
+      const parts = args?.trim()?.split(/\s+/) ?? [];
+      const subcommand = parts[0] ?? "";
+      const targetServer = parts[1];
+      const rest = parts.slice(1).join(" ");
+
+      switch (subcommand) {
+        case "reconnect":
+          await reconnectServers(state, ctx, targetServer);
+          break;
+        case "tools":
+          await showTools(state, ctx);
+          break;
+        case "setup": {
+          const result = await openMcpSetup(state, pi, ctx, earlyConfigPath, "setup");
+          if (result?.configChanged) {
+            await ctx.reload();
+            return;
+          }
+          break;
+        }
+        case "logout": {
+          const serverName = rest;
+          if (!serverName) {
+            if (ctx.hasUI) ctx.ui.notify("Usage: /mcp logout <server>", "error");
+            return;
+          }
+          await logoutServer(serverName, state, ctx);
+          break;
+        }
+        case "status":
+        case "":
+        default:
+          if (ctx.hasUI) {
+            const result = await openMcpPanel(state, pi, ctx, earlyConfigPath);
+            if (result?.configChanged) {
+              await ctx.reload();
+              return;
+            }
+          } else {
+            await showStatus(state, ctx);
+          }
+          break;
+      }
+    },
+  });
+
+  pi.registerCommand("mcp-auth", {
+    description: "Authenticate with an MCP server (OAuth)",
+    handler: async (args, ctx) => {
+      const serverName = args?.trim();
+      if (!serverName && !ctx.hasUI) {
+        return;
+      }
+
+      if (!state && initPromise) {
+        try {
+          state = await initPromise;
+        } catch (error) {
+          const message = error instanceof Error ? error.message : String(error);
+          if (ctx.hasUI) ctx.ui.notify(`MCP initialization failed: ${message}`, "error");
+          return;
+        }
+      }
+      if (!state) {
+        if (ctx.hasUI) ctx.ui.notify("MCP not initialized", "error");
+        return;
+      }
+
+      if (!serverName) {
+        await openMcpAuthPanel(state, pi, ctx, earlyConfigPath);
+        return;
+      }
+
+      await authenticateServer(serverName, state.config, ctx);
+    },
+  });
+
+  if (shouldRegisterProxyTool) {
+    (pi.registerTool as (tool: unknown) => unknown)({
+      name: "mcp",
+      label: "MCP",
+      description: buildProxyDescription(earlyConfig, earlyCache, directSpecs),
+      promptSnippet: "MCP gateway - connect to MCP servers and call their tools",
+      renderCall: renderMcpProxyToolCall,
+      parameters: Type.Object({
+        tool: Type.Optional(Type.String({ description: "Tool name to call (e.g., 'xcodebuild_list_sims')" })),
+        args: Type.Optional(Type.String({ description: "Arguments as JSON string (e.g., '{\"key\": \"value\"}')" })),
+        connect: Type.Optional(Type.String({ description: "Server name to connect (lazy connect + metadata refresh)" })),
+        describe: Type.Optional(Type.String({ description: "Tool name to describe (shows parameters)" })),
+        search: Type.Optional(Type.String({ description: "Search tools by name/description" })),
+        regex: Type.Optional(Type.Boolean({ description: "Treat search as regex (default: substring match)" })),
+        includeSchemas: Type.Optional(Type.Boolean({ description: "Include parameter schemas in search results (default: true)" })),
+        server: Type.Optional(Type.String({ description: "Filter to specific server (also disambiguates tool calls)" })),
+        action: Type.Optional(Type.String({ description: "Action: 'ui-messages', 'auth-start', or 'auth-complete'" })),
+      }),
+      renderResult: renderMcpToolResult,
+      async execute(_toolCallId, params: {
+        tool?: string;
+        args?: string;
+        connect?: string;
+        describe?: string;
+        search?: string;
+        regex?: boolean;
+        includeSchemas?: boolean;
+        server?: string;
+        action?: string;
+      }, _signal, _onUpdate, _ctx) {
+        let parsedArgs: Record<string, unknown> | undefined;
+        if (params.args) {
+          try {
+            parsedArgs = JSON.parse(params.args);
+            if (typeof parsedArgs !== "object" || parsedArgs === null || Array.isArray(parsedArgs)) {
+              const gotType = Array.isArray(parsedArgs) ? "array" : parsedArgs === null ? "null" : typeof parsedArgs;
+              throw new Error(`Invalid args: expected a JSON object, got ${gotType}`);
+            }
+          } catch (error) {
+            if (error instanceof SyntaxError) {
+              throw new Error(`Invalid args JSON: ${error.message}`, { cause: error });
+            }
+            throw error;
+          }
+        }
+
+        if (!state && initPromise) {
+          try {
+            state = await initPromise;
+          } catch (error) {
+            const message = error instanceof Error ? error.message : String(error);
+            return {
+              content: [{ type: "text" as const, text: `MCP initialization failed: ${message}` }],
+              details: { error: "init_failed", message },
+            };
+          }
+        }
+        if (!state) {
+          return {
+            content: [{ type: "text" as const, text: "MCP not initialized" }],
+            details: { error: "not_initialized" },
+          };
+        }
+
+        if (params.action === "ui-messages") {
+          return executeUiMessages(state);
+        }
+        if (params.action === "auth-start") {
+          if (!params.server) {
+            return {
+              content: [{ type: "text" as const, text: "auth-start requires `server`. Example: mcp({ action: \"auth-start\", server: \"linear-server\" })" }],
+              details: { mode: "auth-start", error: "missing_server" },
+            };
+          }
+          return executeAuthStart(state, params.server);
+        }
+        if (params.action === "auth-complete") {
+          if (!params.server) {
+            return {
+              content: [{ type: "text" as const, text: "auth-complete requires `server`." }],
+              details: { mode: "auth-complete", error: "missing_server" },
+            };
+          }
+          const input = parsedArgs?.redirectUrl ?? parsedArgs?.code ?? parsedArgs?.input;
+          if (typeof input !== "string" || input.trim().length === 0) {
+            return {
+              content: [{ type: "text" as const, text: "auth-complete requires args with `redirectUrl`, `code`, or `input`." }],
+              details: { mode: "auth-complete", error: "missing_input" },
+            };
+          }
+          return executeAuthComplete(state, params.server, input);
+        }
+        if (params.tool) {
+          return executeCall(state, params.tool, parsedArgs, params.server, getPiTools);
+        }
+        if (params.connect) {
+          return executeConnect(state, params.connect);
+        }
+        if (params.describe) {
+          return executeDescribe(state, params.describe);
+        }
+        if (params.search) {
+          return executeSearch(state, params.search, params.regex, params.server, params.includeSchemas);
+        }
+        if (params.server) {
+          return executeList(state, params.server);
+        }
+        return executeStatus(state);
+      },
+    });
+  }
+}