From ea3705991433b4730a1ffa88fe7b6f5da86a28b0 Mon Sep 17 00:00:00 2001
From: EMRG Evolution <emrg@argszero.dev>
Date: Thu, 13 Aug 2026 14:16:47 +0800
Subject: [PATCH] emrg: TUI status bar shows current version (rant
 2026-08-13T14:11:03)

---
 Agent.md                      |  2 +-
 emrg/client/app.py            | 28 ++++++++++++++-------
 tests/test_app_status_left.py | 47 +++++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+), 10 deletions(-)
 create mode 100644 tests/test_app_status_left.py

diff --git a/Agent.md b/Agent.md
index c67ce4e..75a2e4c 100644
--- a/Agent.md
+++ b/Agent.md
@@ -118,7 +118,7 @@ Community needs voiced in HN agent-UI discussions map directly to EMRG's design:
 pkill -f "emrg.server"; rm -f ~/.emrg/emrgd.port; python -m emrg
 ```
 
-Python: `uv run pytest tests/ -v` (764) — import check: `uv run python -c "from emrg.client.app import run_client"`
+Python: `uv run pytest tests/ -v` (769) — import check: `uv run python -c "from emrg.client.app import run_client"`
 GUI: `cd emrg/gui && npm test` (231: 44 daemon_client + 19 conn-manager + 22 app-commands + 109 renderer smoke + 15 i18n + 7 integration + 3 commands + 5 build-config + 7 gui-state) — syntax: `node --check main.js preload.js daemon_client.js renderer/js/*.js`
 CI: `uv run pytest` (ubuntu + **windows-2025 matrix** — Windows pytest 回归在 PR CI 即失败，v0.2.29 教训 #725) + GUI tests + **actionlint workflow lint** (`rhysd/actionlint@v1.7.12` gate, #444 — workflow 解析错误在 PR CI 即失败，如 `if:` secrets 上下文)
 Re-trigger: `scripts/re-trigger-ci.sh [branch]` (workflow_dispatch, #527 — 替代空 commit 重触发：Actions outage 会整段丢弃 push 事件，dispatch 走 API 路径不受影响)
diff --git a/emrg/client/app.py b/emrg/client/app.py
index 07385ab..80622bf 100644
--- a/emrg/client/app.py
+++ b/emrg/client/app.py
@@ -28,6 +28,23 @@
 logger = logging.getLogger(__name__)
 
 
+def _format_status_left(title: str, sid: str, model: str = "") -> str:
+    """Format left status: version + session title + short ID + model.
+
+    Module-level so it is unit-testable (rant 2026-08-13T14:11:03).
+    """
+    import emrg
+    ver = getattr(emrg, "__version__", "dev")
+    parts = [f"v{ver}"]
+    if title:
+        parts.append(f"{title} ({sid[:8]})")
+    else:
+        parts.append(sid)
+    if model:
+        parts.append(f"[{model}]")
+    return " ".join(parts)
+
+
 # ── Clipboard image support (platform-adaptive) ─────────────
 
 def _detect_clipboard_image() -> tuple[bool, str | None]:
@@ -212,15 +229,8 @@ async def interactive(init_auto_evolve: bool = False):
     stdin_queue: asyncio.Queue = asyncio.Queue()
 
     def _status_left(title: str, sid: str, model: str = "") -> str:
-        """Format left status: session title + short ID + current model."""
-        parts = []
-        if title:
-            parts.append(f"{title} ({sid[:8]})")
-        else:
-            parts.append(sid)
-        if model:
-            parts.append(f"[{model}]")
-        return " ".join(parts)
+        """Format left status: version + session title + short ID + model."""
+        return _format_status_left(title, sid, model)
     busy = False; server_id = ""; need_new_assistant = False; session_title = ""
     current_model = ""  # model name tracked independently of server_id (rant 2026-08-11T20:02:43)
 
diff --git a/tests/test_app_status_left.py b/tests/test_app_status_left.py
new file mode 100644
index 0000000..ee78ab8
--- /dev/null
+++ b/tests/test_app_status_left.py
@@ -0,0 +1,47 @@
+"""Unit tests for app._format_status_left — status bar left section.
+
+Rant 2026-08-13T14:11:03: TUI status bar left segment must show the current
+EMRG version number (e.g. ``v0.2.30 emrg-main (s_260727) [deepseek-v4-flash]``).
+The formatter is module-level so it is unit-testable.
+"""
+
+import pytest
+
+
+class TestFormatStatusLeft:
+    def test_version_prefix(self):
+        """Left status starts with v<version>."""
+        from emrg.client.app import _format_status_left
+        import emrg
+
+        out = _format_status_left("main", "s_260727", "deepseek-v4-flash")
+        assert out.startswith(f"v{emrg.__version__} ")
+
+    def test_title_sid_model_layout(self):
+        """Title (short sid) + [model] follows the version prefix."""
+        from emrg.client.app import _format_status_left
+
+        out = _format_status_left("main", "s_260727", "deepseek-v4-flash")
+        assert "main (s_260727)" in out
+        assert out.endswith("[deepseek-v4-flash]")
+
+    def test_no_title_uses_sid(self):
+        """Without a title, the raw short sid is shown."""
+        from emrg.client.app import _format_status_left
+
+        out = _format_status_left("", "s_260727", "")
+        assert out.endswith("s_260727")
+
+    def test_no_model_omits_brackets(self):
+        """Without a model, no [..] section appears."""
+        from emrg.client.app import _format_status_left
+
+        out = _format_status_left("main", "s_260727", "")
+        assert "[" not in out
+
+    def test_sid_truncated_to_8_chars(self):
+        """Long session ids are truncated to 8 chars in the title form."""
+        from emrg.client.app import _format_status_left
+
+        out = _format_status_left("main", "s_260727abcdef", "")
+        assert "main (s_260727)" in out