D350: expose watch-backed Bond settings in PC options and F10

Add a game-thread bridge and field-scoped per-file persistence for PC UI edits, with an explicit file chooser; keep watch-only edits session-only. Fix D351 row initializer offsets for units and auto-hide. Document verification and review follow-ups.

docs/dev/findings-index.csv

@@ -220,9 +220,12 @@ D338,FIXED,"Input.AimRange (F10 ""Aim range""):",FIXED (2026-09-26 bookkeeping:
 D339,OPEN,"#92 (low-end ~30 fps, Celeron N3060 / HD 400) —","OPEN (2026-09-26, user:"
 D341,FIXED,"Intro gun-barrel blood drip draws as static blocks/lines instead of dripping (user, v0.4.0, 2026-09-26; death blood fine).","FIXED (M-201, user-verified 2026-09-27):"
 D342,FIXED,"File select: folder bodies and Bond photos vanish after selecting a file and backing out (user, v0.4.0, 2026-09-26).","FIXED (M-201, user-verified):"
-D343,PARTIAL,"File select: PC ""Options"" label opens the settings overlay (v0.4.0 feature, M1 of the route-B options screen, 2026-09-27); also fixes F10 on file select jumpin…","LANDED (M1): one Rule-2 #ifdef PORT draw hook (user sign-off 2026-09-27); headless + user-verified (mouse, F10, >30 s, widescreen); physical controller check owed."
+D343,FIXED,"File select: PC ""Options"" label opens the settings overlay (v0.4.0 feature, M1 of the route-B options screen, 2026-09-27); also fixes F10 on file select jumpin…","FIXED (M1, closed): one Rule-2 #ifdef PORT draw hook (user sign-off 2026-09-27); headless + user-verified (mouse, F10, >30 s, widescreen, physical controller on the bottom-bar label and options scree…"
 D344,FIXED,Host PC bugchecks (BSOD 0x119 VIDEO_SCHEDULER_INTERNAL_ERROR) during game test runs; probable cause:,"FIXED (probable cause; orderly quit + GE_QUITFRAME), headless + user-verified; no dump, watch for recurrence."
 D345,FIXED,"Front-end crosshair snaps away from the pointer on screen/page changes (file select → mode select setCursorPOSforMode(0), front.c:2516; every MENU_PC_OPTIONS p…","Port-only, user-verified (parts a–g):"
 D346,PARTIAL,PC-settings wording pass:,Port-only display change landed (optionsoverlay.c rows[]/valueText + one colour match in frontoptions.c); both UIs (F10 overlay + options screen) share the table.
-D347,PARTIAL,F10 overlay controller:,Port-only fix landed (optionsoverlay.c):
+D347,FIXED,F10 overlay controller:,"FIXED (port-only, optionsoverlay.c):"
 D348,OPEN,"File-select ""PC Options"" label:",Port-only (frontoptions.c):
+D349,PARTIAL,GE watch settings are not normally saved to the Bond file:,ANALYZED (static decomp audit):
+D350,PARTIAL,Watch-backed PC options:,"PARTIAL (implemented; user reports tests good, review pending):"
+D351,FIXED,Existing D346 value/unit rows had positional initializers shifted into hidePtr:,"FIXED (port-only): designated row initializers restore unit, deadzone divisor and hide-if-auto fields; build clean, headless smoke clean."