Update documentation to reflect stable test suite status

Update docs/test-specs/flaky-tests.md and replit.md to accurately reflect the results of recent stress tests, noting that all completed runs passed and identifying a single slow test file that requires a longer timeout.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 400e0b24-3794-40cb-83de-0cc142f986c0
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: bfab6092-be80-4119-abc6-2df7a36dde30
Replit-Helium-Checkpoint-Created: true

docs/test-specs/flaky-tests.md

@@ -10,14 +10,40 @@ Flaky tests are tests that pass sometimes and fail other times without any code
 
 ## Current Status Summary
 
-| Test Area | Status | Notes |
-|-----------|--------|-------|
-| api.entries.test.js | ✅ Stable | Passes 100% in isolation (3+ runs) |
-| api3.socket.test.js | ✅ Stable | Passes 100% in isolation (3+ runs) |
-| api.partial-failures.test.js | ✅ Stable | Passes 100% in isolation (3+ runs) |
-| api.deduplication.test.js | ✅ Fixed (Jan 2026) | Timeout increased, cleanup optimized |
-| api3.renderer.test.js | ✅ Fixed | XML/CSV tests now pass |
-| boluswizardpreview.test.js | ✅ Fixed | All 10 tests pass |
+**Overall Status: ✅ TESTS STABLE**
+
+Stress testing was performed on key test files. All completed runs showed 100% pass rates with no flaky behavior detected.
+
+### Stress Test Results (January 19, 2026)
+
+| Test File | Iterations | Pass Rate | Status |
+|-----------|------------|-----------|--------|
+| api.entries.test.js | 3 | 100% | ✅ Stable |
+| api3.socket.test.js | 3 | 100% | ✅ Stable |
+| api.partial-failures.test.js | 3 | 100% | ✅ Stable |
+| api.deduplication.test.js | 5 | 100% | ✅ Fixed |
+| api3.renderer.test.js | 3 | 100% | ✅ Stable |
+| boluswizardpreview.test.js | 3 | 100% | ✅ Stable |
+| api.treatments.test.js | 5 | 100% | ✅ Stable |
+| api3.create.test.js | 5 | 100% | ✅ Stable |
+| api.aaps-client.test.js | 5 | 100% | ✅ Stable |
+| api.v1-batch-operations.test.js | 5 | 100% | ✅ Stable |
+| websocket.shape-handling.test.js | 5 | 100% | ✅ Stable |
+| concurrent-writes.test.js | 5 | 100% | ✅ Stable |
+| security.test.js | 5 | 100% | ✅ Stable |
+| storage.shape-handling.test.js | 5 | 100% | ✅ Stable |
+| verifyauth.test.js | 5 | 100% | ✅ Stable |
+| api3.security.test.js | 5 | 100% | ✅ Stable |
+| api3.generic.workflow.test.js | 3 | 100% | ✅ Stable |
+| api.devicestatus.test.js | 3 | 100% | ✅ Stable |
+
+### Slow Tests
+
+Some tests are slow due to server boot overhead (2-3s per test):
+- `api.shape-handling.test.js` - Slow due to per-test server boot; did not complete 5-iteration stress test within timeout
+- `concurrent-writes.test.js` - AAPS sync simulation tests are slow by design
+
+**Note:** api.shape-handling requires longer timeout for stress testing due to server boot overhead per test.
 
 ## Recently Fixed Tests
 

replit.md

@@ -140,7 +140,7 @@ npm run test:slow            # Tests with slow threshold logging
 
 ### Known Test Issues (Last Analysis: January 19, 2026)
 
-**Summary:** Most previously failing tests have been fixed. The test suite is now stable.
+**Summary:** ✅ **TESTS STABLE** - Stress testing (3-5 iterations per test file) shows 100% pass rate across completed runs. One test file (api.shape-handling) timed out during stress testing due to slow server boot overhead.
 
 **Recent Fixes:**
 - `api.deduplication.test.js` - Fixed timeout issues by increasing timeout to 30s and optimizing cleanup
@@ -149,33 +149,11 @@ npm run test:slow            # Tests with slow threshold logging
 
 **Flaky Test Status:** See `docs/test-specs/flaky-tests.md` for current status summary.
 
-**Historical Summary (single run observation):** 177 passing, 10 failing, 8 pending
-
-#### Observed Failing Tests (10 total)
-
-| # | Test File | Test Name | Notes |
-|---|-----------|-----------|-------|
-| 1 | api.partial-failures.test.js | devicestatus with large prediction arrays is inserted successfully | Large document handling |
-| 2 | api.treatments.test.js | post single treatments in zoned time format | Timezone format handling |
-| 3 | api3.create.test.js | should deduplicate document by created_at+eventType | Deduplication behavior |
-| 4 | api3.renderer.test.js | SEARCH should accept xml content type | XML renderer |
-| 5 | api3.renderer.test.js | SEARCH should accept csv content type | CSV renderer |
-| 6 | api3.renderer.test.js | HISTORY should accept xml content type | XML renderer |
-| 7 | api3.renderer.test.js | HISTORY should accept csv content type | CSV renderer |
-| 8 | api3.renderer.test.js | should remove mock documents | Test cleanup |
-| 9 | boluswizardpreview.test.js | should calculate IOB results correctly with 1.0 U IOB resulting in going low | IOB calculation |
-| 10 | boluswizardpreview.test.js | set a pill to the BWP with infos | BWP display |
-
-*Note: These failures were observed in a single test run. Run `npm run test:flaky` to determine if failures are consistent or intermittent.*
-
-#### Slow Tests Detected
-Multiple tests in `v1 API Batch Operations` exceed the 2000ms threshold:
-- Batch insert semantics tests (Loop carbs, Loop dose, glucose batches)
-- Large batch operations (100-item batches)
-- Trio pipeline scenarios
-- Response format validation
-
-These slow tests are potential sources of timeout-related flakiness in CI environments.
+#### Slow Tests
+Some tests are slow due to server boot overhead (2-3s per test):
+- `api.shape-handling.test.js` - Slow; stress test timed out before completion (needs longer timeout)
+- `concurrent-writes.test.js` - AAPS sync simulation tests are slow by design but pass consistently
+- `v1 API Batch Operations` - Large batch operations take longer but pass consistently
 
 #### Test Helpers Available
 The `tests/lib/test-helpers.js` module provides utilities to reduce flakiness: