[wengxt]

Summary by CodeRabbit

• Improvements
  • History-based suggestions now give older selections a lasting share of the overall history weight, helping previously selected words and word sequences remain represented as newer selections accumulate.
  • The balance between recent and older selections has been adjusted, with older selections retaining 64% of the total history weight.

[coderabbitai]

No actionable comments were generated in the recent review.

Recent review info

Run configuration

• Source mode: Auto
• Repository: Unavailable
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• Commit: Unavailable
• Layers: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: f3e62c9a-6724-4d16-9566-a4c0d6524dc4

Commits

Reviewing files that changed from the base of the PR and between 5be1300 and bd94c64.

Files selected for processing: 2

• src/libime/core/constants.h
• test/testhistorybigram.cpp

Included review availability: This review used your included allowance. Your plan provides up to 1 included review per hour; 0 remain after this review.

Walkthrough

HISTORY_BIGRAM_ALPHA_VALUE changes from 1.0F to 0.25F. A new test checks that an earlier unigram and bigram remain above specified frequency thresholds after 8,320 distinct single-word histories are added.

Changes: History bigram retention

Layer / File(s)	Summary
Update alpha and verify retention src/libime/core/constants.h, test/testhistorybigram.cpp	The alpha constant changes to 0.25F. The test suite adds a retention check for an earlier unigram and bigram after adding 8,320 distinct single-word histories. The test is called from main.

Priority: Low

Estimated code review effort: 2 (Simple) | ~10 minutes

Change: Bug fix

Merge Risk: Minimal · up to bd94c

The change preserves older history with the intended weighting, and the added retention check covers the regression targeted by this PR.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly describes the main change: smoothing the user-history bigram memory weight. The wording is awkward, but the title is specific and related to the changeset.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 1 functions across 2 files.

Resolution

Write docstrings for the functions missing them to satisfy the coverage threshold.

Finishing Touches: 💡 1

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