ci(rust): 切换 Gitea runner 标签为 linux

保留 .gitea/workflows/bat.yml 作为实际工作流入口，删除冗余副本，并同步项目计划与当前缺口文档。

.gitea/bat.yml

@@ -1,59 +0,0 @@
-# Gitea Actions workflow for the Rust workspace.
-# If your Gitea instance only scans ".gitea/workflows/*.yml", copy this file
-# there as well. This file stays host-runner friendly and does not touch real
-# resource directories.
-
-name: bat-rust
-
-on:
-  push:
-    branches:
-      - "**"
-  pull_request:
-  workflow_dispatch:
-
-jobs:
-  rust:
-    name: Build and test Rust
-    runs-on: host
-    env:
-      CARGO_TERM_COLOR: always
-      RUST_BACKTRACE: 1
-      BAT_SKIP_ENV_FILE: "1"
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          components: rustfmt,clippy
-
-      - name: Show tool versions
-        shell: bash
-        run: |
-          set -euo pipefail
-          rustc --version
-          cargo --version
-          command -v curl
-          command -v unzip
-
-      - name: Check formatting
-        shell: bash
-        run: cargo fmt --all -- --check
-
-      - name: Check workspace
-        shell: bash
-        run: cargo check --workspace --locked
-
-      - name: Build workspace
-        shell: bash
-        run: cargo build --workspace --locked
-
-      - name: Run clippy
-        shell: bash
-        run: cargo clippy --workspace --all-targets --locked -- -D warnings
-
-      - name: Run tests
-        shell: bash
-        run: cargo test --workspace --locked

.gitea/workflows/bat.yml

@@ -1,5 +1,5 @@
 # Gitea Actions workflow for the Rust workspace.
-# This workflow is host-runner friendly and does not touch real resource
+# This workflow is linux-runner friendly and does not touch real resource
 # directories.
 
 name: bat-rust
@@ -14,7 +14,7 @@ on:
 jobs:
   rust:
     name: Build and test Rust
-    runs-on: host
+    runs-on: linux
     env:
       CARGO_TERM_COLOR: always
       RUST_BACKTRACE: 1