fix: make mcp suggestions runtime-backed

lib/agent-runtime.js

@@ -30,6 +30,24 @@ function createAgentRuntime(deps) {
     return `[${values.map((value) => tomlString(value)).join(',')}]`;
   }
 
+  function tomlKeySegment(value) {
+    const raw = String(value || '').trim();
+    if (/^[A-Za-z0-9_-]+$/.test(raw)) return raw;
+    return tomlString(raw);
+  }
+
+  function tomlValue(value) {
+    if (Array.isArray(value)) return `[${value.map((item) => tomlValue(item)).join(',')}]`;
+    if (value && typeof value === 'object') {
+      return `{${Object.entries(value)
+        .map(([key, item]) => `${tomlKeySegment(key)}=${tomlValue(item)}`)
+        .join(',')}}`;
+    }
+    if (typeof value === 'boolean') return value ? 'true' : 'false';
+    if (typeof value === 'number' && Number.isFinite(value)) return String(value);
+    return tomlString(value);
+  }
+
   function createCcwebMcpEnv(session, options = {}) {
     if (!ccwebMcpServerArg || !internalMcpUrl || !internalMcpToken || !session?.id) return null;
     const rawHopCount = Number.parseInt(String(options.mcpContext?.hopCount || 0), 10);
@@ -55,6 +73,22 @@ function createAgentRuntime(deps) {
     );
   }
 
+  function appendProjectMcpConfig(args, mcpServer) {
+    const server = String(mcpServer?.server || mcpServer?.name || '').trim();
+    const config = mcpServer?.config && typeof mcpServer.config === 'object' ? mcpServer.config : null;
+    if (!server || !config) return;
+    const prefix = `mcp_servers.${tomlKeySegment(server)}`;
+    for (const key of ['type', 'command', 'args', 'env', 'env_vars', 'url', 'startup_timeout_sec', 'tool_timeout_sec']) {
+      if (!Object.prototype.hasOwnProperty.call(config, key)) continue;
+      args.push('-c', `${prefix}.${key}=${tomlValue(config[key])}`);
+    }
+  }
+
+  function appendProjectMcpConfigs(args, mcpServers) {
+    if (!Array.isArray(mcpServers)) return;
+    for (const mcpServer of mcpServers) appendProjectMcpConfig(args, mcpServer);
+  }
+
   function buildClaudeSpawnSpec(session, options = {}) {
     const hasAttachments = Array.isArray(options.attachments) && options.attachments.length > 0;
     const args = ['-p', '--output-format', 'stream-json', '--verbose'];
@@ -110,10 +144,11 @@ function createAgentRuntime(deps) {
       return { error: runtimeConfig.error };
 	    }
 	    const runtimeId = getRuntimeSessionId(session);
-	    const args = ['exec'];
-	    args.push('--json', '--skip-git-repo-check');
+    const args = ['exec'];
+    args.push('--json', '--skip-git-repo-check');
     const ccwebMcpEnv = createCcwebMcpEnv(session, options);
     appendCcwebMcpConfig(args, ccwebMcpEnv);
+    appendProjectMcpConfigs(args, options.projectMcpConfigs);
 
 	    const permMode = session.permissionMode || 'yolo';
 	    // `-s/--sandbox` is an option for `codex exec`, but not for `codex exec resume`.