[P1] Add Analyzer Timeouts, Partial Results, And Health Metadata

[barvhaim]

Roadmap Item 7: Add Analyzer Timeouts, Partial Results, And Health Metadata

Priority: P1
Area: Workflow, analyzers
References: src/threatxtension/core/extension_analyzer.py,
src/threatxtension/workflow/nodes.py

Analyzers run sequentially and an exception can turn a partially useful scan into a
failed workflow. For security triage, partial results are often better than no results.

Scope:

• Wrap each analyzer with timeout, error capture, duration, and enabled/disabled status.
• Continue the workflow when non-critical analyzers fail.
• Mark the summary as partial when any analyzer fails or times out.
• Surface analyzer health in API, CLI, and report output.

Acceptance criteria:

• A VirusTotal or Chrome Stats failure does not discard SAST and permissions results.
• Results include analyzer status metadata.
• Tests cover one analyzer failure, one timeout, and all analyzers successful.

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Created from docs/roadmap.md.