ci: runs-on nas → ubuntu-latest(匹配 nas runner 实际 label)

nas 上的 forgejo-act-runner 注册 label 是 ubuntu-latest(非 nas),导致所有
runs-on: nas 的工作流无匹配 runner。改为 ubuntu-latest 对齐 runner 现状。
(备选:给 runner 加 nas 标签保约定,未采用。)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
   # ── Job 1: Lint (shellcheck) ─────────────────────────────────────────────
   lint:
     name: Lint — shellcheck
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -59,7 +59,7 @@ jobs:
   # ── Job 2: OpenAPI Sync Check ────────────────────────────────────────────
   openapi-check:
     name: OpenAPI Sync Check
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -76,7 +76,7 @@ jobs:
   # ── Job 3: Redline Word Scan (脱敏) ──────────────────────────────────────
   redline-scan:
     name: Redline Scan — 脱敏 (UI 文案)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -87,7 +87,7 @@ jobs:
   # ── Job 4: Flutter 客户端(分析 + 单测/组件测试)────────────────────────
   flutter-client:
     name: Flutter — analyze + test
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -110,7 +110,7 @@ jobs:
   # 规则与豁免见 ci/scan-portable-sql.sh 头注 + docs/dev-conventions.html 支柱 3。
   portable-sql-scan:
     name: Portable SQL — 可移植性 (mysql/sqlite)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -123,7 +123,7 @@ jobs:
   # (改了 design/colors_and_type.css 没重生成,或手改了生成物)。
   codegen-drift:
     name: Codegen Drift — token 生成物未漂移
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -140,7 +140,7 @@ jobs:
   # -tags integration(需 docker 起 mysql/redis),见 go-integration job。
   go-server:
     name: Go — build + test
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -166,7 +166,7 @@ jobs:
   # 详见 scripts/e2e-smoke.sh + server/test/e2e/。
   e2e-smoke:
     name: E2E Smoke — L4 进程级端到端
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -190,7 +190,7 @@ jobs:
   #   · -p 1 串行:一次只起一个 mysql 容器,避免并发把 Docker Desktop 压垮/端口资源争用。
   go-integration:
     name: Go — integration (mysql/redis testcontainers)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -205,7 +205,7 @@ jobs:
   # tablet/desktop-stats golden 与 stats-overhaul 工作区耦合,待其合并后并入本 job。
   golden:
     name: Golden — 视觉回归 (components + auth)
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.gitea/workflows/deploy-server.yml

@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   deploy-server:
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.gitea/workflows/deploy-site.yml

@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   deploy-site:
-    runs-on: nas
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4