Guard against correctable misspellings in completions - #814
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BaptisteGarcin wants to merge 3 commits into
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Guard against correctable misspellings in completions#814BaptisteGarcin wants to merge 3 commits into
BaptisteGarcin wants to merge 3 commits into
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Note Currently processing new changes in this PR. This may take a few minutes, please wait... ⚙️ Run configurationConfiguration used: defaults Review profile: CHILL Plan: Pro Plus Run ID: 📒 Files selected for processing (3)
📝 WalkthroughWalkthroughThe change adds shared spelling assessments for completion seams and generated leading words. Streaming suggestions now wait for word boundaries, suppress correctable misspellings, and retain a per-generation gate state. Tests cover final and streamed validation paths. ChangesLeading-word spelling validation
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The new guard can suppress valid code or version completions such as letter-and-digit tokens by checking only the alphabetic prefix for spelling errors. This is a bounded correctness issue with a clear fix and should be addressed or explicitly accepted before merge. Sequence Diagram(s)sequenceDiagram
participant SuggestionCoordinator
participant CompletionSeamGuard
participant SuggestionStreamingState
SuggestionCoordinator->>CompletionSeamGuard: evaluate streamed leading word
CompletionSeamGuard-->>SuggestionCoordinator: wait, allow, or suppress
SuggestionCoordinator->>SuggestionStreamingState: resolve leading-word gate
SuggestionStreamingState-->>SuggestionCoordinator: retain terminal state
Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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BaptisteGarcin
marked this pull request as ready for review
August 17, 2026 18:15
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Inline comments:
In `@Cotabby/Support/Suggestion/Output/CompletionSeamGuard.swift`:
- Around line 208-238: Update the completion scan around wordStart and wordEnd
to detect a numeric character after the word start and return .notApplicable for
the entire token, rather than evaluating the preceding letters as a candidate.
Preserve existing connector and incomplete-word behavior, and add final and
streamed regressions covering a letter-and-digit token such as ecrir2.
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ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro Plus
Run ID: 11f84c63-2fba-4b2b-8bbc-a8161773e602
📒 Files selected for processing (6)
Cotabby/App/Coordinators/Suggestion/SuggestionCoordinator+Prediction.swiftCotabby/Support/Suggestion/Output/CompletionSeamGuard.swiftCotabby/Support/Suggestion/Streaming/SuggestionStreamingState.swiftCotabbyTests/Evals/LlamaSuggestionEvalTests.swiftCotabbyTests/Support/Suggestion/Output/CompletionSeamGuardTests.swiftCotabbyTests/Support/Suggestion/Streaming/SuggestionStreamingStateTests.swift
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Summary
Why
Cotabby already protects mid-word seams, but a newly generated misspelled word after a space could still be shown. This is related to #811.
Validation
Summary by CodeRabbit
Greptile Summary
The PR extends completion validation to withhold streamed text until its first generated word can be assessed and suppresses correctable leading-word misspellings while allowing unknown vocabulary without corrections.
Confidence Score: 5/5
The PR appears safe to merge.
No blocking failure remains.
Important Files Changed
Flowchart
%%{init: {'theme': 'neutral'}}%% flowchart TD P[Streamed partial] --> J{Junk punctuation?} J -- Yes --> Drop[Do not render] J -- No --> G{Leading-word gate} G -- Pending --> B{First word complete?} B -- No --> Wait[Wait for another partial] B -- Yes --> S{Correctable typo?} S -- Yes --> Suppress[Suppress generation stream] S -- No --> Allow[Cache allowed] G -- Allowed --> Render[Render acceptable session] G -- Suppressed --> Drop Allow --> Render F[Final result] --> V[Full seam verdict] V -->|Allow| FinalRender[Present final suggestion] V -->|Reject| FinalDrop[Clear session and overlay]Reviews (2): Last reviewed commit: "Exempt numeric completion tokens" | Re-trigger Greptile
Context used: