https://gitlab.synchro.net/main/sbbs/-/commit/811f5588743a4178e8705abc
Added Files:
src/syncterm/scripts/auto/connected/capture_menu.wren
Modified Files:
src/syncterm/Wren.adoc src/syncterm/scripts/auto/connected/keys_default.wren status_default.wren src/syncterm/scripts/syncterm.wren ui_list.wren src/syncterm/term.c term.h wren_bind.c wren_bind_conn.c wren_bind_conn.h wren_bind_fs.c wren_bind_fs.h
Log Message:
SyncTERM: move capture / scrollback / paste keys to Wren + write-consent File

Continues hollowing out doterm()'s key switch into Wren-driven Hook.onKey defaults. Adds the bindings the Wren handlers need, plus a write-consent flavour on the File class so we can ask the user to pick a save path
without handing scripts open-ended write access to the local filesystem.

Capture (streaming-log control):
New foreign class — Capture.active / paused / start(file, raw) /
stop / pause / resume. Replaces CTerm.logMode and CTerm.logPaused
(those getters are gone; Capture.active and Capture.paused are
bools and live where the verbs live). start(file, raw) consumes
a write-consent File and transfers the FILE pointer into cterm's
logfile.

CTerm.saveScreenshot(file, withSauce):
One-shot binary screen save (IBM-CGA / BinaryText), optionally with
a SAUCE block populated from the active BBS. Snapshot is the cterm
area only — status bar excluded. Consumes the File's write consent.

Host.pickSavePath(initialDir, mask):
uifc filepick wrapped with ALLOWENTRY + OVERPROMPT. Returns a
write-consent File (or null on cancel). Open mode is determined
by the picker outcome: WFC_CREATE ("wbx") for new paths,
WFC_OVERWRITE ("wb") when the user confirmed overwrite.

Write consent on File:
New consent class on the File foreign — File.open() honors the
authorized mode and consumes the consent on first close. Re-using
the handle aborts the fiber. Token is intentionally null on
write-consent Files (the read-side .token / Host.openLocalFile
flow for upload resume is unaffected).

Race-safety: WFC_CREATE uses fopen "wbx" (C11 exclusive create) so
an attacker can't substitute a different file between the picker's
existence check and our open().

Capture menu (scripts/auto/connected/capture_menu.wren):
Wren App that drives the Alt-C user flow. Three states based on
Capture.active/paused: not-capturing → type list (ASCII / Raw /
Binary [+SAUCE]) → save picker → start; paused → Unpause/Close;
active → Pause/Close. Replaces the C-side capture_control() uifc
dialog for the Alt-C path (the Alt-Z menu still calls the C version
until we migrate that too).

Trivial-key migrations (Hook.onKey in keys_default.wren):
- Shift-Insert → Conn.paste() (wraps do_paste — codepage- and
bracketed-paste-aware).
- Alt-B → Conn.scrollback() (wraps viewscroll() with
mouse-event disable / restore).
- Alt-C → CaptureMenu.run() (described above).
Corresponding cases removed from doterm()'s switch.

ListView fix (drive-by):
ui_list.wren onPaint_ row-highlight fill now spans the full widget
width (excluding the scrollbar column when present), so the
selected-row lightbar reads as a single edge-to-edge bar instead
of leaving the padding cells in default style. Fixes the
ListView.draw rows-rendered test that regressed when the inset
padding was added.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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