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fix(ui): unwind nested thread and profile screens one step at a time - #238

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ewanc26 merged 2 commits into
mainfrom
fix/nested-back-navigation
Oct 17, 2026
Merged

ewanc26 merged 2 commits into
mainfrom
fix/nested-back-navigation

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@ewanc26

@ewanc26 ewanc26 commented Oct 17, 2026

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What this changes

Backing out of a thread opened from a profile that was itself opened from a thread bounced between the profile and the outer thread, so the timeline was never reached. Thread and profile now push the screen they were opened from onto a return stack, and B pops it, in place of the single return slots that the nested route overwrote. Refs #110.

Verification

Host only, no console. make test (1254 checks, 0 failures). make -C tests snapshot (332 checks, 0 failures), including a new nested-route assertion that walks timeline, thread, profile, thread, back to the timeline. Before the fix the same walk looped between the profile and the outer thread.

Docs

CHANGELOG entry under Unreleased (Fixed). PARITY.md's #110 row is unchanged; it still describes the timeline cursor case rather than this nested chain.

Checklist

  • CI is green (CI gate and flow / conventions)
  • No secrets, tokens or signing keys in the diff
  • Tests added or changed with the behaviour; none skipped, disabled or deleted

🤖 Generated with Claude Code

ewanc26 and others added 2 commits October 17, 2026 13:49
Each thread or profile opened from another one overwrote the single
return slot, so B from an inner thread went to the profile, and B from
there went back to the outer thread, which then pointed at the profile
again. Nothing ever got back to the timeline.

Thread and profile now push the screen they were opened from onto a
return stack, and B pops it. The snapshot suite walks timeline, thread,
profile, thread and asserts each step returns to the previous screen.

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
The flow-extra check asks for docs to move with code. The parity row for
#110 described the timeline cursor only; it now covers the nested chain too.

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
@ewanc26
ewanc26 merged commit bf51c9e into main Oct 17, 2026
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@ewanc26
ewanc26 deleted the fix/nested-back-navigation branch October 17, 2026 14:19
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