Add @polymorfa/store: opt-in IndexedDB event store - #265
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Registers the workspace and its tsconfig paths, and adds fake-indexeddb as a root dev dependency for IndexedDB tests.
createPolymorfaStore() files webhook-shaped events into per-kind stores with batched transactions, event-ID dedupe, ordering-safe reducers, retention sweeps, cross-tab notifications, a memory fallback, and encrypt/decrypt/redact hooks.
connectEventSource() batches pushes and saves cursors; adapters cover EventSource, fetch event streams, WebSockets, and iterables, with an incremental SSE parser.
createStoreConversationSource() hydrates from the store, reconciles with an optional backend load, and follows store changes. @polymorfa/store/react exports usePolymorfaStoreQuery().
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📝 WalkthroughWalkthroughChangesBrowser Event Store
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~90 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant EventSource
participant connectEventSource
participant PolymorfaStore
participant IndexedDB
EventSource->>connectEventSource: emit event batch
connectEventSource->>PolymorfaStore: ingest events
PolymorfaStore->>IndexedDB: persist routed rows
IndexedDB-->>PolymorfaStore: commit result
PolymorfaStore-->>connectEventSource: return ingestion result
connectEventSource->>PolymorfaStore: persist checkpoint
Merge Risk: 🟠 High · up to The opt-in store can miss live updates, duplicate conversation notifications, lose message metadata, and skip or delete persisted events. These correctness and data-loss paths should be fixed before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 33.96% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 53 functions across 15 files. (9 skipped: 9 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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Inline comments:
In `@packages/store/src/backend.ts`:
- Around line 374-396: Update the commit operation loop to execute each
deleteRange walk inline and await it before processing the next operation,
preserving operation order like MemoryBackend.commit. Remove the parallel ranges
collection and await Promise.all usage, then await the transaction completion
separately after the loop; keep the existing key collection and cursor deletion
behavior unchanged.
In `@packages/store/src/conversation-source.ts`:
- Around line 40-50: Update the ConversationMessage conversion functions to
preserve replyTo through persistence: add replyTo to the MessageInput and
StoredMessage types, map it when converting into stored messages, and restore it
when hydrating conversation messages. Keep the existing handling for messages
without replyTo unchanged.
- Around line 116-121: Update the cursor generation around nextCursor to include
a unique message identifier alongside oldest.createdAt, and update the
corresponding pagination query/parser to use both values for deterministic
ordering and continuation when timestamps are equal. Preserve existing LOCAL,
REMOTE, and undefined cursor behavior for their respective paths.
- Around line 173-185: The conversation source currently creates a store
subscription per listener, causing each change to be emitted multiple times.
Update the subscription flow around the `store.subscribe` callback and `emit` so
the store is subscribed only once and its events are fanned out once to all
listeners, or route each callback’s events directly to its corresponding
`listener` without shared `emit` duplication.
In `@packages/store/src/react.ts`:
- Line 32: Update the store-undefined branch in the React store subscription
logic to reset state to undefined data and error with loading false before
returning, preventing stale results from a previously defined store from
persisting.
In `@packages/store/src/sources.ts`:
- Around line 155-164: Bound the unterminated SSE line buffer in the feed method
by adding a maximum line-length setting (for example, 1 MiB) and rejecting
payloads that exceed it before retaining them in `#buffer`. Clear the buffer
before throwing, and limit any raw payload included in the error message to a
short prefix such as 64 characters.
- Around line 67-75: Update the drain flow around the pending queue and
store.ingest so a failed batch is restored to the front of pending, the failure
is latched, and no later batches advance the checkpoint. Guard both drain
triggers, including idle(), with the failure state so they do not retry or spin
after failure; preserve error reporting and normal successful draining behavior.
- Around line 438-447: Update the reconnect sleep in the loop around connect to
resolve immediately when controller.signal is aborted, and remove its timer and
abort listener during cleanup. Apply a minimum 250 ms delay when scheduling the
retry so retry values of zero cannot cause immediate reconnects.
In `@packages/store/test/contract.test.ts`:
- Around line 37-39: Update DEFAULT_SSE_EVENT_TYPES in sources.ts to include
group.update, blocklist.update, and session.phone_offline, then strengthen the
contract test around DEFAULT_SSE_EVENT_TYPES to assert those documented event
types are included, not merely that configured types are known.
In `@packages/store/test/sources.test.ts`:
- Line 219: Move the checkpoint setup in the test before calling
connectEventSource, ensuring the initial checkpoint read observes “4”. Add an
assertion for the first request’s last-event-id header equal to “4”, while
preserving the existing second-request assertion for “5”.
In `@packages/store/tsconfig.json`:
- Line 5: Update the paths configuration in packages/store/tsconfig.json to
preserve the inherited `@polymorfa/browser` mapping to its source entry; remove
the empty paths override or explicitly retain that mapping so store source and
tests do not resolve stale or unavailable dist declarations.
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📒 Files selected for processing (24)
CHANGELOG.mdREADME.mdpackage.jsonpackages/store/LICENSEpackages/store/README.mdpackages/store/package.jsonpackages/store/src/backend.tspackages/store/src/conversation-source.tspackages/store/src/index.tspackages/store/src/react.tspackages/store/src/reducers.tspackages/store/src/sources.tspackages/store/src/store.tspackages/store/src/types.tspackages/store/test/contract.test.tspackages/store/test/conversation-source.test.tspackages/store/test/helpers.tspackages/store/test/package.test.tspackages/store/test/react.test.tsxpackages/store/test/sources.test.tspackages/store/test/store.test.tspackages/store/tsconfig.build.jsonpackages/store/tsconfig.jsontsconfig.json
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# Conflicts: # CHANGELOG.md
- Apply range deletes in op order so a put later in the same commit survives.
- Keep replyTo through the conversation source round trip.
- Page by (createdAt, id) so shared timestamps neither skip nor repeat.
- Share one store subscription across conversation listeners.
- Reset usePolymorfaStoreQuery state when the store becomes undefined.
- Requeue a failed batch and stop advancing the checkpoint.
- Bound SSE lines, enforce a 250 ms reconnect floor, and stop waiting on abort.
- Follow every built-in reducer type by default.
- Add fromEventStream({ format: "project" }) for project event stream frames.
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Stacked on #263. Merge after #263: this branch starts from
codex/ui-polish, so until #263 merges the diff also shows its commits. The five commits from66aa191onward belong to this PR.Summary
Adds
@polymorfa/store, a new opt-in browser package. When hosted message storage is off, the customer's backend stores webhook data and the browser follows live changes. This package keeps a local IndexedDB copy of those webhook-shaped events.createPolymorfaStore({ name, version, session, retention, indexedDB, broadcastChannel, encrypt, decrypt, redact, batchSize })opens the database. Stores:conversations,messages,contacts,presence,calls,labels,sessions,templates,events(a raw log keyed by event ID) andcustom, plus internalcheckpointsandmeta. Indexes cover messages by conversation and time, conversations by last activity, and every store by update time for retention.ingest(event | events[])takes the webhook envelope (id,session,timestamp,event,payload). The SDK'sWebhookEventandKnownWebhookEventunions are assignable to it; a type-level test checks this. A router sends eacheventtype to its reducer: message upsert, ack status, reaction, vote, delete and revoke tombstones, conversation summary and unread count, chat read/archive/mute/clear/delete, contacts and blocklist, presence, the call lifecycle and participants, labels and stars, session status, template status, and group subject. Every event goes into the log. Unknown and unrouted types (includingmessage.failed, which has no message ID) go tocustom.registerReducer(type, fn)adds custom handling.chat.clearstop replays from bringing data back.batchSize, default 250). Encryption runs outside the transaction.connectEventSource(store, source)with theLiveEventSourceinterface, a checkpoint store for resume, and batched writes. Adapters:fromEventSource(SSE with named events and a resume query parameter),fromEventStream(a fetch-based SSE client that sendsLast-Event-IDand fresh headers),fromWebSocket, andfromIterable. Also exportsSseParserandeventsFromFrame.messages.list/get/upsert,conversations.list/get,get/listfor contacts, presence, calls, labels, sessions and templates,events.list({ types, since }), andcustom.list.subscribe(store | "*", listener)reports changes, andBroadcastChannelcarries them to other tabs.createStoreConversationSource(store, { conversationId, load?, send })implementsConversationDataSource. It returns local messages first and reconciles withloadin the background. Once the local pages run out it pages through the backend, and it follows store changes.@polymorfa/store/reactexportsusePolymorfaStoreQuery.clear(),close(),sweep(),estimateUsage(), andpersist(). Retention runs on open and on an interval. The store falls back to memory when IndexedDB is missing or fails to open, and reports this throughmodeandfallbackReason.encrypt/decryptseal the fields listed inSENSITIVE_FIELDS, andredactremoves payload paths. Token-like keys andpmfa_*values are always removed.@polymorfa/browserandreactare optional peer dependencies of the package, and the package imports only types from@polymorfa/browser. A boundary test checks that the source does not import the server SDK.Five-part check
@polymorfa/storeworkspace (TypeScript/browser). No other SDK package changes behavior. Roottsconfig.jsongains the@polymorfa/storepaths. Root dev dependency:fake-indexeddb.packages/store/README.mdcovers the architecture (mermaid diagram), usage, privacy, and the API reference. The root README package table and a new section were updated, andCHANGELOG.mdhas an Unreleased entry. Public Mintlify docs are unchanged because the package is unpublished.Verification
Run from the repository root:
npx prettier --writeon the changed files: donenpm run format:check: passnpm run lint: passnpm run typecheck: passnpm run build:workspaces: pass (includes@polymorfa/store)npm test: pass, 83 files and 599 tests (41 new inpackages/store)npm run build: passnpm run check:names: passnpm pack --dry-run --workspaces --ignore-scripts: pass (polymorfa-store-0.1.0-dev.0.tgz)npm audit --omit=dev: passThe new tests use
fake-indexeddb. They cover routing for each built-in event family, dedupe, out-of-order acks, contact and presence ordering, clear-then-replay, batched backfill, retention (on open, onsweep()and on the interval), the memory fallback, the version wipe, encrypt, redact and token stripping, a mocked cross-tabBroadcastChannel,clear(), SSE parsing (CRLF split across chunks, BOM, retry, empty id), resume throughlastEventIdandLast-Event-ID, the adapter withConversationController(hydrate, reconcile, pagination, live upserts and deletes, send, reconcile failure), the React hook, a type test for the SDK webhook union, and a clean-consumer pack and import.Not exercised: a real browser. IndexedDB,
BroadcastChannel,EventSourceandnavigator.storagewere covered withfake-indexeddband mocks. The planned Polymorfa client-token stream does not exist yet.Need help on this PR? Tag
@codesmith-botwith what you need. Autofix is disabled.Summary by CodeRabbit
New Features
@polymorfa/storebrowser package for persisting webhook events, messages, conversations, and related data.Documentation
Tests