Release ContractGuard 2.0

[CodeforGood1]

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[Copilot]

Pull request overview

This PR is a 2.0.0 release update that adds confidence-aware finding filtering, improves analyzer robustness (per-analyzer runtime isolation), expands dependency scanning coverage, and aligns version metadata across the Python package, VS Code extension, and SARIF output.

Changes:

• Introduces --min-confidence plumbing end-to-end (VS Code → bridge/CLI → scan filtering) and assigns low confidence to fixtures/docs/samples.
• Improves analyzer fidelity and noise reduction (new file filters, large-file skipping, refined secret/PII heuristics, broader dependency file support).
• Updates versioning to 2.0.0 and makes SARIF report use the package version.

Reviewed changes

Copilot reviewed 24 out of 25 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
vscode-src/pythonBridge.ts	Adds minimumConfidence config and forwards --min-confidence to the Python bridge.
tests/test_secrets_analyzer.py	Adds regression tests for new secrets heuristics and confidence behavior.
tests/test_scan.py	Adds tests for min-confidence filtering defaults and runtime-error reporting.
tests/test_reporter.py	Verifies SARIF tool version is derived from package __version__.
tests/test_pii_analyzer.py	Adds regression tests for reduced PII false positives + low-confidence email behavior.
tests/test_dependency_analyzer.py	Adds tests for pyproject/npm lock parsing and CVE ID hygiene.
tests/test_config_analyzer.py	Adds tests for compose default password and SMTP STARTTLS behavior.
src/contractguard/scan.py	Implements min-confidence filtering and converts analyzer runtime failures into findings; adds generated_at.
src/contractguard/reporter.py	Uses contractguard.__version__ in SARIF driver metadata.
src/contractguard/cli.py	Adds --min-confidence to CLI commands and forwards to scanning.
src/contractguard/bridge.py	Adds --min-confidence to bridge endpoints and forwards into ScanTarget.
src/contractguard/analyzers/secrets_analyzer.py	Adds confidence assignment, fixture/docs heuristics, large-file skipping, and new SMTP app password pattern.
src/contractguard/analyzers/pii_analyzer.py	Adds context-based acceptance rules, Luhn validation, confidence assignment, and broader skip logic.
src/contractguard/analyzers/json_analyzer.py	Skips common dependency/config JSONs and respects should_skip_path.
src/contractguard/analyzers/file_filters.py	Expands skip dirs, adds fixture/source/doc detection helpers, inline ignore markers, and confidence ordering.
src/contractguard/analyzers/dependency_analyzer.py	Adds pyproject.toml + npm dependency parsing, expands DB, and adds fixture confidence lowering.
src/contractguard/analyzers/config_analyzer.py	Adds file skipping/size checks, fixture confidence lowering, and refines SSL-disabled detection.
src/contractguard/init.py	Bumps package version to 2.0.0.
README.md	Documents new default filtering and expanded dependency coverage.
pyproject.toml	Bumps Python package version to 2.0.0.
package.json	Bumps extension version to 2.0.0, adds minimumConfidence setting, updates packaging output name.
package-lock.json	Updates lockfile version metadata to 2.0.0 (but contains an inconsistent dependency entry).
INSTRUCTIONS.md	Documents --min-confidence usage examples.
DEPLOYMENT.md	Notes runtime model and new 2.0 behavior changes.
CAPABILITIES.md	Documents confidence filtering, runtime isolation, and dependency coverage additions.

Comments suppressed due to low confidence (1)

src/contractguard/analyzers/pii_analyzer.py:293

• When facts["pii_details"] is non-empty, this filters rule-engine findings down to only PII004, which suppresses PII001/PII002/PII003 (including BLOCK-level SSN/credit-card rules). That changes scoring/CI semantics and may under-report severity. Consider keeping the BLOCK/critical rule findings (and only suppressing true duplicates) or upgrading the direct findings to emit equivalent severities (e.g., BLOCK for SSN/credit card).

            if is_fixture_path(source):
                finding.confidence = "low"
        if facts["pii_details"]:
            findings = [item for item in findings if item.rule_id == "PII004"]
        all_findings.extend(findings)

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