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* feat(ai-term): move keybindings to C-; a and M-SPC, retire F9Craig Jennings44 hours1-38/+47
| | | | | | | | I moved the ai-term family off the F9 keys onto the C-; a prefix, vacated when gptel was archived: a toggles the agent, s opens the project picker, n swaps to the next agent, k closes one. The frequent swap also gets M-SPC as a fast chord, bound in ghostel-mode-map and added to the semi-char exceptions so it reaches Emacs from inside an agent buffer. cj/ai-term-next now opens the project picker when no agent is running instead of erroring, so the swap key doubles as a "start an agent" key. To free M-SPC, I removed jumper's M-SPC binding. Jumper's commands stay reachable via M-x, with a cleverer home pending review.
* feat(ai-term): add s-F9 step-to-next-agent, drop C-S-F9 close aliasCraig Jennings5 days1-8/+59
| | | | | | s-F9 (cj/ai-term-next) steps through the open agent buffers in name order. It's the "switch among existing agents" surface F9's toggle never provided. The cycle logic lives in a pure helper (cj/--ai-term-next-agent-buffer) with Normal/Boundary/Error coverage. The command is a thin window-mutating wrapper. I dropped the C-S-F9 close alias, leaving M-F9 as the sole close binding. I moved cj/server-shutdown off C-<f10> to C-x C so the key keeps forwarding to the terminal program inside an agent buffer. I also removed the now-unused F10 entries from term-config's ghostel exceptions.
* fix(ai-term): keep the F9 toggle reversible in a 3+ window layoutCraig Jennings5 days1-9/+36
| | | | | | | | | | | | | | | | In a layout where the agent had its own split window (e.g. code on top, a working window, and the agent below), toggling the agent off deleted its window correctly, but toggling back on reused the working window at the edge -- displacing its buffer and collapsing three windows to two. The slot-reuse that avoids a third window on a fresh show was firing on a re-show after the agent's own window was already deleted. Flag the toggle-off that deletes the agent's own window; on the next toggle-on, reuse-edge-window consumes the flag and falls through to a fresh re-split, so the agent returns to its own window and the other windows are untouched. The flag only changes the 3+ window case -- after a delete in a 2-window slot-reuse layout one window remains, where re-split and reuse-edge already coincide, so the existing reuse-edge tests are unaffected.
* fix(ai-term): stop F9 toggle shrinking the agent window each cycleCraig Jennings5 days1-12/+19
| | | | | | | | | | | | | | | | | The F9 toggle captured the agent window's body-height and replayed it as body-lines. Body-height subtracts the mode line's pixel height, which differs between an active and an inactive mode line; the agent is captured active but redisplayed inactive, so under a theme whose mode-line-inactive is shorter than a text line the window lost ~1 line per toggle. Capture and replay total-height for the vertical axis instead, via the renamed cj/window-replay-size. Total-height is identical active or inactive and has no mode-line-pixel dependence, so the round-trip is a fixed point. Width keeps body-width (total-width has the position-dependent divider problem that total- height does not). The shared lib fix covers the F12 terminal toggle too. The shrink only manifests in a GUI frame, so it is not reproducible in the batch harness; the unit tests pin the new total-height contract.
* refactor(ai-term): extract toggle-off teardown and working-buffer swapCraig Jennings5 days1-53/+61
| | | | | | | Lift the F9 toggle-off branch (~50 lines) out of cj/ai-term into cj/--ai-term-toggle-off, leaving the pcase arm a one-liner. Fold the three copies of the most-recent-non-agent-buffer swap idiom (two in the toggle-off cases, one in cj/--ai-term-close-buffer) into cj/--ai-term-swap-to-working-buffer.
* feat(windows): dock companion panels by a shared min-column ruleCraig Jennings6 days1-11/+7
| | | | | | The F9 agent always docked as a right-side column on a landscape frame. On this 138-column frame that left ~68-column panes, too cramped to read code and the agent side by side. The F12 terminal and F10 playlist hardcoded a bottom split with no width-aware path. I added cj/preferred-dock-direction and the cj/window-dock-min-columns defcustom (default 80) to the window-geometry lib: dock side-by-side only when the narrower pane keeps at least the minimum width, otherwise stack below. All three toggles now route through it. F9 drops its pixel-aspect rule. F12 and F10 gain a right-column width default and become adaptive. F10 keeps width and height size memory in separate vars so a resize on one axis doesn't leak to the other.
* feat(ai-term): dock the agent window by frame aspect ratioCraig Jennings10 days1-14/+22
| | | | The agent window now docks from whichever edge conserves more space, chosen at display time: right on a landscape frame, bottom on a square or portrait one, replacing the host (laptop/desktop) branch. cj/--ai-term-direction-for-aspect is the pure decision; default-size pairs the width or height fraction with it.
* fix(ai-term): keep the window split when closing an agentCraig Jennings2026-06-061-7/+14
| | | | M-F9 close deleted the agent's window, collapsing the layout. Close now swaps that window to the working buffer and kills the agent buffer, so the split stays put. F9 hide still collapses the split. Close no longer does.
* fix(term): make F9 and F12 reach Emacs inside ghostel buffersCraig Jennings2026-06-051-1/+12
| | | | | | | | F9 did nothing in an agent buffer: ghostel's semi-char mode forwards every key not in ghostel-keymap-exceptions to the pty, and ghostel-semi-char-mode-map outranks the major-mode map, so the F9-family and F12 bindings I'd put in ghostel-mode-map never fired. The keys went to Claude/the shell, which ignored them. I added the F9 family (in ai-term) and F12 plus C-; (in term-config) to ghostel-keymap-exceptions and rebuilt the semi-char map with ghostel--rebuild-semi-char-keymap. add-to-list updates the list but not the already-built map, so the rebuild is what actually lets the keys through. C-; had the same latent bug for the same reason. Two regression tests assert the keys are in the exceptions and that the rebuilt semi-char map no longer forwards them. I also corrected the spec note that claimed binding in ghostel-mode-map was enough (true for vterm, wrong for ghostel) and codified the gotcha.
* feat(term): replace vterm with ghostel as the terminal engineCraig Jennings2026-06-051-0/+974
I swapped the terminal engine from vterm to ghostel (libghostty-vt) everywhere. term-config replaces vterm-config (the F12 terminal, the C-; x menu, tmux history capture), and ai-term replaces ai-vterm (the F9 Claude-agent launcher). ghostel renders the agent TUI without vterm's flicker under heavy streaming, and one engine now covers every terminal workflow. Two behavior changes fall out of the swap. F9 launches in a terminal frame now: ghostel renders in TTY frames, so the old GUI-only guard is gone. Terminal windows no longer dim when unfocused: ghostel resolves its palette into the native module per-terminal, so there's no per-window color hook to dim through the way vterm had. auto-dim drops its vterm color-advice path, the dashboard Terminal button launches ghostel, and the vterm and vterm-toggle packages are removed. The tmux pane-history and copy-mode machinery carried over unchanged. It keys on the pty tty, which ghostel exposes.