Implement DAG-based message ordering (Phases A+B)#97

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cboos wants to merge 23 commits intomainfrom

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Commits on Mar 5, 2026

Add DAG-based message architecture spec

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claude
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Add DAG infrastructure module (Phase A)

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Integrate DAG ordering into directory-mode loading (Phase B)

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Add hierarchical session navigation with parent/child relationships (Phase B)

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Make session backlinks navigable with #msg-d-{N} anchors

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Remove unused extract_working_directories (review clean-up)

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Remove unused has_cache_changes (review clean-up)

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Fix progress entries breaking DAG chain by repairing parent pointers

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Add within-session fork (rewind) visualization

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Add message previews to fork/branch nav items and headers

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Improve fork/branch presentation with context and visual hierarchy

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Fix false forks from context compaction replays and tool-result side-branches

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Add debug UUID toggle to show uuid/parentUuid on each message

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Handle tool-result variant 2: User continues, Assistant subtree dead-ends

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Fix false orphans caused by over-aggressive user text deduplication

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Fix false forks from context compaction replays and tool-result side-branches

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Thread session_tree through individual session file generation

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Remove unused import (ruff fix)

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Fix pyright errors: type narrowing and protected access

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Fix ty check warnings: narrow TranscriptEntry union before accessing parentUuid

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Address CodeRabbit review feedback

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Review response: items not addressed (by design)
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Thread session_tree through end-to-end integration tests

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Implement DAG-based message ordering (Phases A+B)#97

Implement DAG-based message ordering (Phases A+B)#97
cboos wants to merge 23 commits intomainfrom
dev/dag

Commits on Mar 5, 2026

Add DAG-based message architecture spec

Add DAG infrastructure module (Phase A)

Integrate DAG ordering into directory-mode loading (Phase B)

Add hierarchical session navigation with parent/child relationships (Phase B)

Make session backlinks navigable with #msg-d-{N} anchors

Remove unused extract_working_directories (review clean-up)

Remove unused has_cache_changes (review clean-up)

Fix progress entries breaking DAG chain by repairing parent pointers

Add within-session fork (rewind) visualization

Add message previews to fork/branch nav items and headers

Improve fork/branch presentation with context and visual hierarchy

Fix false forks from context compaction replays and tool-result side-branches

Add debug UUID toggle to show uuid/parentUuid on each message

Handle tool-result variant 2: User continues, Assistant subtree dead-ends

Fix false orphans caused by over-aggressive user text deduplication

Fix false forks from context compaction replays and tool-result side-branches

Thread session_tree through individual session file generation

Remove unused import (ruff fix)

Fix pyright errors: type narrowing and protected access

Fix ty check warnings: narrow TranscriptEntry union before accessing parentUuid

Address CodeRabbit review feedback

Review response: items not addressed (by design)

Thread session_tree through end-to-end integration tests