diff --git a/CHANGELOG.md b/CHANGELOG.md
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@@ -1,5 +1,101 @@
 # Changelog
 
+## v2.8.0 — 2026-08-06
+
+### Features
+
+- persist interactive session id so a closed/aborted ConPTY session can be resumed (1a988ff)
+- repo scan discovers nested repos in subfolders (7affb4c)
+- warn when the running worker predates the selected repo's merged HEAD (8bc7bc0)
+- add treatWaitingForChildrenAsBusy to wait_for_task_change (af16830)
+- warn on near-duplicate titles in add_task/batch_add_tasks (3e07536)
+- add Diagnose section to SettingsWindow (7e1b117)
+- raise wait_for_task_change timeout, expose queue slot state (d43b5fc)
+- add get_effective_run_config MCP tool (a768bc4)
+- hand off to a fresh session after Phase 2 (4ef0127)
+- add copy-last-40-lines button to log visualizer (8c251c7)
+- make max-turns ceiling editable in General tab (2975f90)
+- add SystemCheckPage with blocking-error gating (5cc1ec9)
+- pull in preflight check implementations as prerequisite for SystemCheckPage (05be07b)
+- add Claude CLI preflight checks (found, version, login, auto-mode) (d743a9d)
+- add Git, GitIdentity, Port, and WriteAccess preflight checks (45bc324)
+- add check abstraction and EnvironmentCheckService (8b26e23)
+- clamp max-turns to a configurable ceiling (08ac8bf)
+- make overview panes and queue strip individually resizable (3ea48ff)
+- add reading-discipline section to default system prompt (f02b7d6)
+
+### Fixes
+
+- honor RunCancellationRegistry.Register's return value at both dispatch sites (109e85d)
+- treat an immediate ConPTY exit as a start failure (4a28bfe)
+- surface merge-drain cancel rejection in task-row quick cancel (27d50b8)
+- close interactive-session gate bypasses in reset-and-retry and plan queueing (1660210)
+- surface worker-offline failures when deleting a task (a78cc52)
+- bound the ConPTY launch-gate wait so a hung launch can't freeze other panes (4310f88)
+- reparse-check repo-scan root folder and move scan off UI thread (b97f55b)
+- serialize ConPTY env launch and close open-path dedupe races (176ba78)
+- gate Mission Control submit-for-review, add retry, fix event leak (57c61a2)
+- block cancelling a task while its unit merge is draining (79f90a9)
+- filter the transliterated 'fuer' stopword, not the untransliterated 'fur' (efee147)
+- claim Running before creating run resources (774f9d3)
+- gate queueing on an open interactive ConPTY session (d84607f)
+- route details-pane task delete through worker to advance blocked parents (9e2a15e)
+- advance planning chains and parents on stale-Running recovery (58741c2)
+- keep ConPTY sessions alive across Mission Control layout rebuilds (aac84e4)
+- suppress auto-open conflict resolver during MCP-driven merges (5d1d2d8)
+- release the ShellLink COM object so reading a .lnk doesn't lock it (c6213d7)
+- surface empty review ranges and blocked children over MCP (e59f6c2)
+- clean up three review leftovers from the list-handler run (b54a133)
+- make list_tasks/batch_get_tasks lean by default (f8c48e2)
+- restore ForegroundHelper.AllowAny call before wt.exe launch (46c664a)
+- skip rewriting the autostart shortcut when already current (445242c)
+- remove duplicate list-settings context menu entry (68aa2f5)
+- read the persisted MCP port on update instead of the wizard default (3462ca1)
+- show the MCP registration step in the progress list (e717c90)
+- refresh the run session id live, close the stale handoff pane (f106c89)
+- stop NumericUpDown from writing null into non-nullable settings (56f7d64)
+- apply the verify gate to worktree-less approvals and report it everywhere (091aca5)
+- recover the planning session id from the on-disk transcript (b679126)
+- make Files-tab system prompts view-only, drop external-editor edit path (6887b1d)
+- broadcast TaskUpdated on queue-claimed task start (8602010)
+- remove duplicate Let-Claude entry point and icon collision (df16989)
+- filter EF Core/ASP.NET Core noise out of log ring buffer (29bd1b5)
+- clarify worktree commits aren't auto-commits (a7d95a0)
+- resolve claude CLI shims (.cmd/.bat) not just .exe on PATH (e88f9d0)
+- stop 429s with an activity-dependent poll cadence + manual refresh (2700c3d)
+- pass FakeTranscriptUsageReader to TaskRunner in FailureDiagnosisTests (f6cb825)
+- stop on-disk prompt overrides from freezing forever (b153869)
+- surface the real reason a Claude run failed instead of a generic exit-code message (2ebdadf)
+- record real raw token usage per run, not the uncached remainder (7d3d6d7)
+
+### Performance
+
+- stop echoing task description from writing MCP tools (ecba129)
+
+### Documentation
+
+- document the ConPTY env race and open-path dedupe fixes (4d9ceef)
+- reflect claim-before-create ordering in worker-task-pipeline (42a234b)
+- document the queueing gate on open ConPTY sessions (ed7cd7d)
+- document interactive session id persistence and resume precedence (6118698)
+- document stale-Running chain/parent advance fix (1649291)
+- document the kill-on-detach gotcha and ConPtyPaneHost reparenting (0d1e3b9)
+- point both drift checks at the merged state (0878bae)
+- point external-mcp drift check at the merged state (03c4ed4)
+- evaluate planning-chain fork-base options, recommend fork-from-predecessor (db4177d)
+- record the verify-gate reach and the NumericUpDown null trap (0f187d8)
+- mark the usage-monitor pass done and drop the light-theme checks (730ecb1)
+- record the findings from the 2026-08-06 visual pass (b6ecbb1)
+- re-verify the 2026-07-24 findings and drop the fixed ones (b5a8d58)
+- drop the verified 2026-07-27 visual-pass block, keep its design notes (e113987)
+- mark the MaxTurnsCeiling editor as shipped (4309c4c)
+- drop the stale reserved-slot comment now that Claude Help Me shipped (41c2de5)
+- document Environment Checks + note unmerged prerequisite gap (a6af90f)
+- break growing enumerations into one entry per line (beef57f)
+- root-cause --permission-mode auto + CLI/.NET preflight research (dce42a9)
+- rename ConPTY session UI text to interactive session (b1e4e54)
+- update for v2.7.0 (0e0438d)
+
 ## v2.7.0 — 2026-08-05
 
 ### Features
@@ -582,7 +678,7 @@
 - initialize Localizer at app startup from config/OS culture (f529a5f)
 - add Language preference and Save() to AppSettings (6a85d82)
 - add Avalonia loc:Tr markup extension and LocalizedString (35ad171)
-- seed en.json and wire locale copy to app output (3c40bb5)
+- seed en.json and wire locale copy to app output (3c40bb5e)
 - add CultureResolver for OS-culture mapping (d95d55e)
 - add Localizer with fallback chain and change event (d22b50e)
 - add LocaleStore folder discovery (a83a0c4)