docs(process): add the subprocess area to the PR label taxonomy

The new capability family is a recurring repository domain; the area list
grows to 46 (en+zh, pair re-recorded) and the GitHub label exists.

.agents/notes/implemented/process/2026-07-25-semantic-pr-label-taxonomy.i18n.yaml

@@ -2,5 +2,5 @@
 # side as of the last confirmed-consistent state. Both languages carry equal authority;
 # after editing either side, bring the other along and re-record with:
 #   pnpm run verify-translation-pairing --write
-2026-07-25-semantic-pr-label-taxonomy.md: 61b7a829b8c44836cf9c6d0d8a7df463df309d89
-2026-07-25-semantic-pr-label-taxonomy.zh.md: cc0c5e7a8953bc97de51f90349a0e2542be5b77e
+2026-07-25-semantic-pr-label-taxonomy.md: 3217b405e968d4d2c1eba1f1a5a08008b18ba514
+2026-07-25-semantic-pr-label-taxonomy.zh.md: 4cc603daa52bc9e6b0a85e33086a559a21dcc621

.agents/notes/implemented/process/2026-07-25-semantic-pr-label-taxonomy.md

@@ -30,13 +30,13 @@ Areas record semantic repository domains rather than temporary initiatives, owne
 
 ### Current areas
 
-The 45 current areas are listed below. The group names organize the list for readability; they are not labels or another taxonomy level.
+The 46 current areas are listed below. The group names organize the list for readability; they are not labels or another taxonomy level.
 
 | Group | Areas |
 |---|---|
 | Agent and model | `agent`, `agent-loop`, `session`, `llm`, `model-context`, `compaction`, `tools`, `persistence` |
 | Orchestration | `subagent`, `workflow`, `planning`, `tasks`, `schedule`, `telemetry`, `storage`, `workspace` |
-| Capabilities | `bash`, `pty`, `filesystem`, `lsp`, `skills`, `web-search`, `code-mode`, `artifact`, `attachment`, `sandbox`, `mcp`, `hooks`, `cordis` |
+| Capabilities | `bash`, `subprocess`, `pty`, `filesystem`, `lsp`, `skills`, `web-search`, `code-mode`, `artifact`, `attachment`, `sandbox`, `mcp`, `hooks`, `cordis` |
 | Interfaces | `ui`, `gui`, `tui`, `acp`, `json-rpc`, `cli`, `python-sdk`, `vscode`, `website` |
 | Repository and release | `dev-infra`, `ci`, `build`, `dependencies`, `platform`, `i18n`, `release` |
 

.agents/notes/implemented/process/2026-07-25-semantic-pr-label-taxonomy.zh.md

@@ -30,13 +30,13 @@ PR（Pull Request）需要传达两个不同的信号：它带来哪一类变更
 
 ### 当前领域
 
-当前的 45 个领域如下。分组名称仅用于提高列表的可读性；它们既不是标签，也不是分类体系中的另一个层级。
+当前的 46 个领域如下。分组名称仅用于提高列表的可读性；它们既不是标签，也不是分类体系中的另一个层级。
 
 | 分组 | 领域 |
 |---|---|
 | agent（智能体）与模型 | `agent`, `agent-loop`, `session`, `llm`, `model-context`, `compaction`, `tools`, `persistence` |
 | 编排 | `subagent`, `workflow`, `planning`, `tasks`, `schedule`, `telemetry`, `storage`, `workspace` |
-| 能力 | `bash`, `pty`, `filesystem`, `lsp`, `skills`, `web-search`, `code-mode`, `artifact`, `attachment`, `sandbox`, `mcp`, `hooks`, `cordis` |
+| 能力 | `bash`, `subprocess`, `pty`, `filesystem`, `lsp`, `skills`, `web-search`, `code-mode`, `artifact`, `attachment`, `sandbox`, `mcp`, `hooks`, `cordis` |
 | 接口 | `ui`, `gui`, `tui`, `acp`, `json-rpc`, `cli`, `python-sdk`, `vscode`, `website` |
 | 仓库与发布 | `dev-infra`, `ci`, `build`, `dependencies`, `platform`, `i18n`, `release` |