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521xueweihan/GitHub520

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27.3 Elevated pattern signal View on GitHub

Maintenance and Governance Review

This report summarizes scanner evidence for 521xueweihan/GitHub520, a Python project with 29,978 GitHub stars. SynthScan examined 770 lines of code across 10 source files, recording 13 pattern matches distributed across 5 syntactic categories. The legacy adjusted pattern signal is 27.3 (Elevated pattern signal); it is not an authorship estimate.

Use the findings to ask whether maintainers can explain intent, verify dependencies, simplify unnecessary scaffolding, and focus review effort. Risk Payload v1 adds ownership, supply-chain, over-engineering, and review-effort vectors when available. These are prompts for human verification, not probabilities, security findings, or measured maintenance costs.

27.3
Adjusted Signal
27.3
Raw Pattern Score
100%
Time Factor
2026-10-10
Last Push
30.0K
Stars
Python
Language
770
Lines of Code
10
Files
13
Pattern Hits
2026-10-12
Scan Date
0.20
HC Hit Rate

Risk Review · v3

Use each vector to guide manual verification of the underlying findings.

Cognitive Ownership Risk 17.7/100 · LOW

Can maintainers explain intent, assumptions, and trade-offs? 3 finding(s).

Hallucinated Dependency & Supply Chain Risk 6.3/100 · LOW

Are imports declared and package/API names verified? 1 finding(s).

Agent Over-Engineering Ratio 68.9/100 · HIGH

Are wrappers, guards, and repeated structures necessary? 10 finding(s).

PR Review Velocity Impact 77.5/100 · CRITICAL

Which changes need focused human review? 13 finding(s).

What These Metrics Mean

Adjusted Signal
Legacy pattern score normalized per 1,000 scanned lines and multiplied by the repository-level time factor. It is not an estimate of AI authorship.
Raw Pattern Score
Sum of severity- and context-weighted pattern findings before applying the time factor.
Time Factor
A coarse multiplier based on repository last-push metadata. It does not identify when individual code was written.
Pattern Hits
Count of configured pattern findings. Review each location and surrounding code before acting.
HC Hit Rate
High- and critical-severity findings per scanned file. Severity is a configured detector weight, not proof of a vulnerability or authorship.
Lines / Files
Scan coverage denominators used by the legacy normalized score.

Pattern-Signal History

This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.

Severity Breakdown

Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.

CRITICAL 0HIGH 2MEDIUM 0LOW 11

Directory Score Breakdown

This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.

Pattern Findings

The scanner identified 13 distinct pattern matches across 5 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.

Reading the findings table: The Severity column indicates the configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.

Empty Error Handlers2 hits · 10 pts
SeverityFileLineSnippetContext
HIGHfetch_ips.py132except Exception:CODE
HIGHfetch_ips.py137except Exception as ex:CODE
Excessive Try-Catch Wrapping7 hits · 7 pts
SeverityFileLineSnippetContext
LOWfetch_ips.py41 except Exception:CODE
LOWfetch_ips.py84 except Exception as ex:CODE
LOWfetch_ips.py132 except Exception:CODE
LOWfetch_ips.py137 except Exception as ex:CODE
LOWfetch_ips.py170 except Exception:CODE
LOWupdate_ips.py24 except Exception as ex:CODE
LOWcommon.py52 except Exception as ex:CODE
Deep Nesting2 hits · 2 pts
SeverityFileLineSnippetContext
LOWfetch_ips.py68CODE
LOWcommon.py57CODE
Hyper-Verbose Identifiers1 hit · 1 pts
SeverityFileLineSnippetContext
LOWfetch_ips.py98def windows_compatibility_check():CODE
Unused Imports1 hit · 1 pts
SeverityFileLineSnippetContext
LOWfetch_ips.py102CODE