✨ feat(vscode): 提交代码按钮实时显示进度并预检 git 身份

- spawnClaude 新增 onProgress 回调，给了回调就改走 stream-json 逐行输出，按行解析出工具调用 / 回复文本
- 新增 claudeProgress 把每行 NDJSON 压成可读进度短语
- 提交前先读 git user.name / user.email，缺失直接提示，不再让 claude 白跑
- 运行期间用带转圈的 toast 滚动显示进度，完成后带上 claude 的结果摘要

Claude-Session: https://claude.ai/code/session_01HTMgwaE3woqM5yvsHiuSAa

vscode/src/cc/spawnClaude.ts

@@ -1,16 +1,18 @@
 /**
- * Typed wrapper around the `claude` CLI in `-p` (one-shot) mode with
- * `--output-format json`. We rely on `claude` being available on PATH;
- * callers should surface the install-hint error message to the user when
- * ENOENT is raised.
+ * Typed wrapper around the `claude` CLI in `-p` (one-shot) mode. We rely on
+ * `claude` being available on PATH; callers should surface the install-hint
+ * error message to the user when ENOENT is raised.
  *
  * Two execution paths share the same output-parsing logic:
  *
  * - **Text-only** (no images): plain `claude -p "<prompt>" --output-format json`
  *   via `spawn` with stdin ignored so the CLI does not wait for piped input.
+ *   When the caller passes `onProgress`, this path switches to
+ *   `--output-format stream-json --verbose` so tool calls can be reported
+ *   live instead of only when the process exits.
  *
  * - **With images**: switch to `claude -p --input-format stream-json
- *   --output-format json` via `spawn`, then feed a single NDJSON line on
+ *   --output-format stream-json` via `spawn`, then feed a single NDJSON line on
  *   stdin containing the user message with text + image content blocks
  *   (Anthropic Messages API shape). The official docs state single-message
  *   input does NOT support image attachments — stream-json is the only
@@ -21,6 +23,7 @@
 import { spawn } from 'node:child_process'
 import * as path from 'node:path'
 import { resolveClaudeBin } from './claudeBin'
+import { summarizeClaudeStreamLine } from './claudeProgress'
 
 const DEFAULT_TIMEOUT_MS = 300_000
 const MAX_BUFFER_BYTES = 10 * 1024 * 1024
@@ -177,6 +180,27 @@ function buildClaudeExitDiagnostic(stderr: string, stdout: string): string {
   return extractStdoutDiagnostic(stdout) ?? '(无 stderr/stdout)'
 }
 
+export type ClaudeProgressListener = (label: string) => void
+
+/**
+ * 按行切 stdout：stream-json 每行一个对象，但 data 事件的 chunk 边界和行边界
+ * 无关，一行常被拆进两个 chunk，所以末尾那段不完整的残行要留到下次拼上。
+ */
+function createProgressFeeder(onProgress?: ClaudeProgressListener): (chunk: string) => void {
+  if (!onProgress)
+    return () => {}
+  let pending = ''
+  return (chunk) => {
+    pending += chunk
+    const lines = pending.split('\n')
+    pending = lines.pop() ?? ''
+    for (const line of lines) {
+      for (const label of summarizeClaudeStreamLine(line))
+        onProgress(label)
+    }
+  }
+}
+
 function buildStreamJsonLine(prompt: string, images: ClaudeImage[]): string {
   const content: Array<Record<string, unknown>> = [
     { type: 'text', text: prompt },
@@ -246,14 +270,16 @@ export async function spawnClaude(opts: {
   bare?: boolean
   /** 续会话：传入则 `--resume <id>`，让本次 `-p` 接在该会话之后（复用上下文，省 token）。 */
   resumeSessionId?: string
+  /** 实时进度：每识别出一个工具调用 / 一句回复就回调一次可读标签。 */
+  onProgress?: ClaudeProgressListener
 }): Promise<ClaudeResult> {
   const timeoutMs = opts.timeoutMs ?? DEFAULT_TIMEOUT_MS
   const hasImages = !!opts.images && opts.images.length > 0
 
   if (!hasImages) {
-    return spawnClaudeText(opts.prompt, opts.cwd, timeoutMs, opts.profilePath, opts.bare, opts.resumeSessionId)
+    return spawnClaudeText(opts.prompt, opts.cwd, timeoutMs, opts.profilePath, opts.bare, opts.resumeSessionId, opts.onProgress)
   }
-  return spawnClaudeStreamed(opts.prompt, opts.cwd, timeoutMs, opts.images!, opts.profilePath, opts.bare, opts.resumeSessionId)
+  return spawnClaudeStreamed(opts.prompt, opts.cwd, timeoutMs, opts.images!, opts.profilePath, opts.bare, opts.resumeSessionId, opts.onProgress)
 }
 
 function spawnClaudeText(
@@ -263,7 +289,9 @@ function spawnClaudeText(
   profilePath?: string,
   bare?: boolean,
   resumeSessionId?: string,
+  onProgress?: ClaudeProgressListener,
 ): Promise<ClaudeResult> {
+  // `--output-format json` 要到进程结束才有输出；要报进度就得换成逐行吐的 stream-json
   const args = [
     ...(bare ? ['--bare'] : []),
     '--dangerously-skip-permissions',
@@ -272,7 +300,7 @@ function spawnClaudeText(
     '-p',
     prompt,
     '--output-format',
-    'json',
+    ...(onProgress ? ['stream-json', '--verbose'] : ['json']),
   ]
 
   const bin = resolveClaudeBin()
@@ -284,6 +312,7 @@ function spawnClaudeText(
     let stderr = ''
     let stdoutBytes = 0
     let settled = false
+    const feedProgress = createProgressFeeder(onProgress)
 
     const child = spawn(bin, args, {
       cwd,
@@ -332,7 +361,9 @@ function spawnClaudeText(
         ))
         return
       }
-      stdout += chunk.toString('utf8')
+      const text = chunk.toString('utf8')
+      stdout += text
+      feedProgress(text)
     })
 
     child.stderr.on('data', (chunk: Buffer) => {
@@ -377,6 +408,7 @@ function spawnClaudeStreamed(
   profilePath?: string,
   bare?: boolean,
   resumeSessionId?: string,
+  onProgress?: ClaudeProgressListener,
 ): Promise<ClaudeResult> {
   // Local Claude Code v2.1.143 enforces that --input-format=stream-json must
   // be paired with --output-format=stream-json (the friendlier `--output-format
@@ -405,6 +437,7 @@ function spawnClaudeStreamed(
     let stderr = ''
     let stdoutBytes = 0
     let settled = false
+    const feedProgress = createProgressFeeder(onProgress)
 
     const child = spawn(bin, args, {
       cwd,
@@ -453,7 +486,9 @@ function spawnClaudeStreamed(
         ))
         return
       }
-      stdout += chunk.toString('utf8')
+      const text = chunk.toString('utf8')
+      stdout += text
+      feedProgress(text)
     })
 
     child.stderr.on('data', (chunk: Buffer) => {