feat: add reset-windows entry to the tool palette

Hook the existing tmux window-index reset into the Alt+p tool palette,
special-cased like clone: selecting 'reset-windows' compacts the hqt
session's window indexes (keeping the home window at 0) via
TmuxManager.reset_window_indexes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/hqt/cli.py

@@ -158,9 +158,10 @@ def _build_session_service():
 def tool_cmd(tool, window):
     """Run TOOL for the session in tmux WINDOW.
 
-    TOOL is nvim/lazygit/shell (opens a styled tool window) or "clone" (a fresh
-    harness with the same project + model). WINDOW is the tmux window name (the
-    hqt-<id> key, e.g. from #{window_name}).
+    TOOL is nvim/lazygit/shell (opens a styled tool window), "clone" (a fresh
+    harness with the same project + model), or "reset-windows" (compact the hqt
+    session's tmux window indexes, keeping the home window at 0). WINDOW is the
+    tmux window name (the hqt-<id> key, e.g. from #{window_name}).
     """
     import asyncio
 
@@ -170,6 +171,13 @@ def tool_cmd(tool, window):
     try:
         if tool == "clone":
             asyncio.run(svc.clone_session_for_window(window))
+        elif tool == "reset-windows":
+            from hqt.config import get_settings
+
+            home_window = get_settings().tui_window_name
+            if not asyncio.run(svc.tmux.reset_window_indexes(home_window)):
+                click.echo("hqt: failed to reset window indexes", err=True)
+                raise SystemExit(1)
         else:
             asyncio.run(svc.open_tool_window_for_window(window, tool))
     except ServiceError as err:
@@ -177,7 +185,7 @@ def tool_cmd(tool, window):
         raise SystemExit(1)
 
 
-PALETTE_ENTRIES = ["nvim", "lazygit", "shell", "clone"]
+PALETTE_ENTRIES = ["nvim", "lazygit", "shell", "clone", "reset-windows"]
 
 # fzf colors matching the Catppuccin Frappé status bar / the Alt+o switcher.
 _PALETTE_FZF_COLORS = (

tests/test_cli.py

@@ -75,6 +75,41 @@ def test_tool_cmd_clone_dispatches_to_clone(monkeypatch, tmp_path):
     assert calls["clone"] == "hqt-5"
 
 
+def test_tool_cmd_reset_windows_dispatches_to_manager(monkeypatch, tmp_path):
+    monkeypatch.setattr(
+        "hqt.config.get_settings", lambda: Settings(db_path=tmp_path / "t.db")
+    )
+    calls = {}
+
+    async def fake_reset(self, home_window):
+        calls["home"] = home_window
+        return True
+
+    monkeypatch.setattr("hqt.tmux.manager.TmuxManager.reset_window_indexes", fake_reset)
+
+    result = CliRunner().invoke(cli.main, ["tool", "reset-windows", "hqt-5"])
+
+    assert result.exit_code == 0, result.output
+    # Compacts against the configured home/TUI window, not the trigger window.
+    assert calls["home"] == Settings(db_path=tmp_path / "t.db").tui_window_name
+
+
+def test_tool_cmd_reset_windows_failure_reports_error(monkeypatch, tmp_path):
+    monkeypatch.setattr(
+        "hqt.config.get_settings", lambda: Settings(db_path=tmp_path / "t.db")
+    )
+
+    async def fake_reset(self, home_window):
+        return False
+
+    monkeypatch.setattr("hqt.tmux.manager.TmuxManager.reset_window_indexes", fake_reset)
+
+    result = CliRunner().invoke(cli.main, ["tool", "reset-windows", "hqt-5"])
+
+    assert result.exit_code == 1
+    assert "reset window indexes" in result.output
+
+
 def test_tool_cmd_reports_service_error(monkeypatch, tmp_path):
     from hqt.errors import ServiceError
 
@@ -115,6 +150,7 @@ def test_palette_cmd_shows_popup_for_session_window(monkeypatch, tmp_path):
     popup_cmd = argv[-1]
     assert "fzf" in popup_cmd
     assert "nvim" in popup_cmd and "clone" in popup_cmd
+    assert "reset-windows" in popup_cmd
     # the window is baked into the command for `hqt tool {} <window>`
     assert "hqt-5" in popup_cmd