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fix(chat-store): unify message author identity - #204
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. 📝 WalkthroughWalkthroughThe chat store now resolves message authors across device-specific and mapped PN/LID identities. Writes, reads, and reconciliation use author-aware matching to merge equivalent message rows while retaining messages from distinct authors. Reconciliation runs at startup and after contact identity mappings are learned. ChangesMessage identity and reconciliation
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~60 minutes Change: Bug fix · Severity of issue fixed: Medium Suggested reviewers: Merge Risk: 🟡 Moderate · up to Reacting to your own message in a group no longer saves the reaction locally, so it disappears from this client's view. Every app start and every contact-mapping batch also rescans the whole message store, which slows startup and delays writes on large accounts. Fix the reaction regression, and scope or gate the reconciliation, before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 73.21% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 56 functions across 15 files. (1 skipped: 1 unsupported.)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Inline comments:
In `@crates/chat-store/src/store/message_identity.rs`:
- Around line 288-315: Update reconcile_groups and the mapping-triggered
reconciliation flow to process only learned PN/LID keys and their known
counterparts instead of scanning all message groups for a device. In
reconcile_all and the startup path in new_prepared, persist a repair marker tied
to the mapping-ledger high-water state, and rerun startup repair only when that
state advances.
In `@crates/chat-store/src/store/writer.rs`:
- Around line 509-521: Update the no-participant branch in
local_reaction_target_matches so that when target_from_me is true, it matches
based on stored_from_me without requiring a participant. Preserve the existing
needs_participant check for other cases.
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📒 Files selected for processing (16)
crates/chat-store/src/lid.rscrates/chat-store/src/queries.rscrates/chat-store/src/store/edit.rscrates/chat-store/src/store/event.rscrates/chat-store/src/store/history_sync.rscrates/chat-store/src/store/inbound.rscrates/chat-store/src/store/message_identity.rscrates/chat-store/src/store/message_rows.rscrates/chat-store/src/store/mod.rscrates/chat-store/src/store/revoke.rscrates/chat-store/src/store/writer.rscrates/chat-store/tests/edits.rscrates/chat-store/tests/regression_194.rscrates/session/src/whatsapp/mod.rscrates/session/src/whatsapp/tests.rsdocs/gotchas.md
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client/crates/chat-store/src/queries.rs
Lines 806 to 808 in 0a0ff15
Deduplicate aliases across pagination boundaries
When author-equivalent legacy copies have different timestamps and an unrelated message lies between them, limiting this query to the remaining raw row count means only one copy may enter kept. For example, with limit = 2, a newer alias copy and the intervening message fill the first page, while the older copy is returned again on the next page because deduplication has no knowledge of the preceding page; fill_unique_after has the same problem. This makes the same logical message appear twice while paging precisely in the unreconciled state these read folds are intended to support, so the query needs to account for equivalent copies beyond the current raw slice or exclude identities already represented by the cursor.
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| let sender_jid = if from_me { | ||
| String::new() | ||
| } else { | ||
| survivor.sender_jid.clone() | ||
| }; |
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When identity repair merges a legacy device-qualified peer row (for example, user:7@lid) with a bare PN/LID copy and that legacy row has the oldest stable id, this assignment preserves the device-qualified spelling as the survivor. The repaired StoredMessage therefore continues exposing a device-specific author, and subsequent writes never normalize it because resolve_target returns early once only that peer row remains. Normalize the survivor with stored_sender(..., false) so repair actually establishes the same bare representation used by new writes.
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Fixes #194
Summary
Adds account-scoped repair-state and pending-alias migrations; the message table schema is unchanged.
Local verification
cargo fmt --all -- --checkcargo test -p oxidezap-chat-store --all-features --test pagination --test search --test regression_194— passed (24, 10, and 23 tests).cargo clippy -p oxidezap-chat-store --all-targets --all-features -- -D warnings— passed.cargo test -p oxidezap-session --lib a_contact_update_repairs_an_already_seen_lid_chat -- --nocapture— passed, including three consecutive reruns after making the test wait for durable reconciliation.Workspace CI remains the gate for the full workspace. No real-phone/companion E2E was run: this environment has no paired WhatsApp phone or test account; coverage uses synthetic store events and restart tests.
Coordination
PR #200 also adds code/tests in
crates/chat-store/src/store/mod.rsandcrates/chat-store/tests/edits.rs. Itsrecord_delete_for_meand local-delete test hunks are additive and separate from this PR's identity changes; this branch does not include or remove that work. If #200 lands first, rebase/update this branch and verify the combined diff before merge.