fix(cos): resolve infinite loop in markdown parser crashing agents page

docs: add changelog entry for submodule status fix

fix(submodules): preserve leading status character in git submodule output

address review: dedupe deploy flag allowlist into single source of truth

address review: robust raw-text telegram truncation, surface memory action errors as toast

address review: entity-safe telegram truncation, ref-based double-submit guards for resume modal and memory actions

address review: trailing newline after multi-line context, reset initialized/conflicted on submodule update, ref-based double-submit guard for task form

address review: truncate raw text before escaping for telegram, include outOfSync/uninitialized in update-all filter

address review: fix backup branch passthrough, escape before truncate in telegram, fix digest/compare route ordering, rename isXcodeApp to isSwiftApp

address review: use cheap path validation for submodule update, preserve user input on error, include outOfSync in hasUpdates check

address review: enforce deploy flag allowlist, gate deploy to non-Windows, validate submodule paths, surface status flags in UI, restore input on error, handle resume modal errors

address review: abort standardization on dirty worktree, align stash guidance between briefing and prompt builder

address review: preserve deploy output whitespace, skip duplicate git backup, clarify stash rule scope

address review: validate deploy flags, guard deploy handler errors, resolve remote ref fallback, validate submodule path type, use structured backup error code

address review: include app in slashdo task description, surface submodule status flags, sync submit button disabled state