🐛 fix(vscode): worktreePath 消费侧统一解析 ~/绝对/相对，修复带 ~ 的存量工单与绝对路径 worktree 误判

新增 resolveWorktreePath(stored, workspaceRoot) 三态合一解析：开头 ~ 展开为 home、
已是绝对原样、相对拼到 workspaceRoot。替换全部消费点，原先「判 isAbsolute 再 join」
不认 ~、issueLoader 算 worktreeExists 更是裸 join 连绝对路径都拼坏。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

vscode/src/panel/handlers/issues.ts

@@ -7,6 +7,7 @@ import * as fs from 'node:fs'
 import { promises as fsp } from 'node:fs'
 import * as os from 'node:os'
 import * as path from 'node:path'
+import { resolveWorktreePath } from '../../git/worktree'
 import { commands, env, ThemeColor, Uri, window, workspace } from 'vscode'
 import { getToken } from '../../auth/secrets'
 import { getBrainstormPrompt } from '../../cc/prompts'
@@ -406,9 +407,7 @@ export async function handleColumnChange(panel: KanbanWebviewPanel, issueNumber:
   // after the worktree (and its projects dir) are gone.
   if ((implementSessionId || testSessionId) && worktreePath) {
     try {
-      const worktreeAbs = path.isAbsolute(worktreePath)
-        ? worktreePath
-        : path.join(workspaceRoot, worktreePath)
+      const worktreeAbs = resolveWorktreePath(worktreePath, workspaceRoot)
       const srcProjectsDir = projectsDirFor(worktreeAbs)
       const dstProjectsDir = projectsDirFor(workspaceRoot)
       const sessionIds = [implementSessionId, testSessionId].filter(
@@ -448,9 +447,7 @@ export async function handleColumnChange(panel: KanbanWebviewPanel, issueNumber:
   // 5. Best-effort cleanup of the worktree. Failures are non-fatal — the
   // state JSON already records done, user can manually clean later.
   if (worktreePath) {
-    const abs = path.isAbsolute(worktreePath)
-      ? worktreePath
-      : path.join(workspaceRoot, worktreePath)
+    const abs = resolveWorktreePath(worktreePath, workspaceRoot)
     if (fs.existsSync(abs)) {
       // worktree 还被占用时（实施/测试会话终端 cwd 在里面、cc/codex 持有 git
       // 锁或打开文件）git worktree remove 会失败。先 dispose 该工单的全部会话
@@ -960,9 +957,7 @@ export async function handleDeleteIssue(panel: KanbanWebviewPanel, issueNumber:
 
   // 5. 删 worktree（如有）— git worktree remove --force，失败立即停
   if (worktreePath) {
-    const absWorktree = path.isAbsolute(worktreePath)
-      ? worktreePath
-      : path.join(workspaceRoot, worktreePath)
+    const absWorktree = resolveWorktreePath(worktreePath, workspaceRoot)
     if (fs.existsSync(absWorktree)) {
       // Pre-remove hook before nuking the worktree. Best-effort —
       // hook failure does NOT block the destructive delete.
@@ -1951,9 +1946,7 @@ export async function handleGeneratePrDiffSummary(panel: KanbanWebviewPanel, iss
         void window.showErrorMessage(`#${issueNumber} 尚未记录 worktree 路径`)
         return
       }
-      const worktreePath = path.isAbsolute(stateWorktreePath)
-        ? stateWorktreePath
-        : path.join(workspaceRoot, stateWorktreePath)
+      const worktreePath = resolveWorktreePath(stateWorktreePath, workspaceRoot)
       let worktreeStat: fs.Stats
       try {
         worktreeStat = await fsp.stat(worktreePath)