code-agent: inherit child profile via env

skills/hwlab-code-agent/SKILL.md

@@ -26,7 +26,9 @@ bun scripts/hwlab-code-agent-cli.ts result <traceId>
 bun scripts/hwlab-code-agent-cli.ts trace <traceId> [--full]
 ```
 
-输出均为 JSON。`spawn` 创建 session + 提交 prompt，立即返回 `sessionId` + `traceId`。`poll` 阻塞轮询至 terminal 或超时。
+`spawn` 的 profile 解析只认两种来源：显式 `--profile`，或环境变量 `HWLAB_CODE_AGENT_PROVIDER_PROFILE`。未提供时直接返回 `provider_profile_required`，不再静默回落 `deepseek`。
+
+输出均为 JSON。`spawn` 创建 session + 提交 prompt，立即返回 `sessionId` + `traceId`，并暴露 `resolvedProviderProfile`、`profileSource`、`parentTraceId`。`poll` 阻塞轮询至 terminal 或超时。
 
 ### hwpod spec 自动继承
 
@@ -45,6 +47,15 @@ caserun 注入 .hwlab/hwpod-spec.yaml 到 Leader workspace
       -> Coder/Reviewer 拿到相同 spec
 ```
 
+provider profile 继承链：
+
+```
+外层 AgentRun runner env 注入 HWLAB_CODE_AGENT_PROVIDER_PROFILE=当前 providerProfile
+  -> Leader 调用 hwlab-code-agent spawn 且未显式传 --profile
+    -> spawn 从同一环境变量继承 profile
+      -> 子 agent 与父 agent 使用同一个 providerProfile
+```
+
 ---
 
 ## 外部管理 CLI（G14 workspace 透传）

skills/hwlab-code-agent/config.json

@@ -1,6 +1,5 @@
 {
   "apiBaseUrl": "http://74.48.78.17:19666",
-  "defaultProviderProfile": "deepseek",
   "defaultProjectId": "prj_hwpod_workbench",
   "defaultPollTimeoutMs": 300000
 }

skills/hwlab-code-agent/scripts/hwlab-code-agent-cli.ts

@@ -67,7 +67,7 @@ async function main() {
       process.stderr.write(JSON.stringify({
         ok: false,
         usage: {
-          spawn: "bun scripts/hwlab-code-agent-cli.ts spawn --message '...' [--profile deepseek]",
+          spawn: "HWLAB_CODE_AGENT_PROVIDER_PROFILE=PROFILE bun scripts/hwlab-code-agent-cli.ts spawn --message '...' [--profile PROFILE]",
           poll:   "bun scripts/hwlab-code-agent-cli.ts poll <traceId> [--timeout 600000]",
           result: "bun scripts/hwlab-code-agent-cli.ts result <traceId>",
           trace:  "bun scripts/hwlab-code-agent-cli.ts trace <traceId> [--full]"

skills/hwlab-code-agent/scripts/src/client.ts

@@ -13,11 +13,13 @@ const configPath = path.join(SKILL_ROOT, "config.json");
 
 interface Config {
   apiBaseUrl: string;
-  defaultProviderProfile: string;
   defaultProjectId: string;
   defaultPollTimeoutMs: number;
 }
 
+const INHERITED_PROVIDER_PROFILE_ENV = "HWLAB_CODE_AGENT_PROVIDER_PROFILE";
+const PARENT_TRACE_ID_ENV = "HWLAB_CODE_AGENT_PARENT_TRACE_ID";
+
 let _cfg: Config | null = null;
 function config(): Config {
   if (!_cfg) {
@@ -27,11 +29,22 @@ function config(): Config {
       throw new Error(`hwlab-code-agent: failed to load config from ${configPath}`);
     }
     if (!_cfg.apiBaseUrl) throw new Error("hwlab-code-agent: config.apiBaseUrl is required");
-    if (!_cfg.defaultProviderProfile) throw new Error("hwlab-code-agent: config.defaultProviderProfile is required");
   }
   return _cfg;
 }
 
+function textValue(value: string | undefined): string {
+  return String(value ?? "").trim();
+}
+
+function resolveProviderProfile(args: Record<string, string | undefined>) {
+  const explicit = textValue(args.profile || args.providerProfile);
+  if (explicit) return { profile: explicit, source: "explicit" };
+  const inherited = textValue(process.env[INHERITED_PROVIDER_PROFILE_ENV]);
+  if (inherited) return { profile: inherited, source: "env" };
+  fail("provider_profile_required", `spawn requires --profile or ${INHERITED_PROVIDER_PROFILE_ENV}`);
+}
+
 // ---- workspace files auto-inheritance ----
 type WorkspaceFile = { path: string; content: string; encoding: "utf8" };
 
@@ -97,7 +110,8 @@ export interface SpawnResult {
 
 export async function spawn(args: Record<string, string | undefined>): Promise<void> {
   const cfg = config();
-  const profile = args.profile || cfg.defaultProviderProfile;
+  const resolvedProfile = resolveProviderProfile(args);
+  const profile = resolvedProfile.profile;
   const projectId = args.projectId || cfg.defaultProjectId;
   const message = args.message || (args.messageFile ? readFileSync(args.messageFile, "utf-8") : null);
   if (!message) fail("message_required", "--message or --message-file required");
@@ -130,6 +144,10 @@ export async function spawn(args: Record<string, string | undefined>): Promise<v
   out({
     ok: true, action: "spawn",
     sessionId, traceId, conversationId,
+    providerProfile: profile,
+    resolvedProviderProfile: profile,
+    profileSource: resolvedProfile.source,
+    parentTraceId: textValue(process.env[PARENT_TRACE_ID_ENV]) || null,
     accepted: r.ok,
     acceptedBody: b,
     pollCommand: `bun scripts/hwlab-code-agent-cli.ts poll ${traceId}`,