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LOGIC MAP — Production Proof Chains

Scope

This document explains how the codebase now proves functionality with real logic instead of mock data, and how mathematical rigor is enforced in testing and documentation.

Logic Chain 1 — Replace Mock Inputs with Realized Test Fixtures (Steps 1–3)

Why: Mocks only assert assumptions; real fixtures validate actual parsing, extraction, and navigation semantics.

How it was implemented:

  1. Deterministic Test Server
    A local HTTP server now serves structured HTML, media, and document assets for all extractors and crawler paths.
    Implementation: tests/test-utils.js provides createTestServer() and returns a base URL for tests.
  2. Real Browser + Extractor Integration
    Test flows run the actual crawler/extractors against the HTTP server so every extraction path executes on concrete HTML, media, and document resources.
    Implementation: test-implementation.js, tests/crawler.test.js, tests/browser.test.js.
  3. Proof-Driven Output Validation
    Each test validates not only the existence of output but verifies correct categorization/grouping (e.g., HLS vs MP4, PDF detection, word-count validity).
    Implementation: extractor integration checks in test-implementation.js and tests/crawler.test.js.

Logic Chain 2 — Mathematical Rigor and Edge-Window Proofs (Steps 1–3)

Why: Production claims require mathematical correctness across edge inputs, not only nominal scenarios.

How it was implemented:

  1. Edge Window Sampling -1..12
    Numerical utilities are tested across the full extended range (-1 through 12) to exercise negative values, zero, and positive ranges.
    Implementation: test-implementation.js testMathUtils().
  2. Invariant Validation
    Tests explicitly verify invariants: clamp bounds, minimum wait time, non-null reading time for valid values, and stable output typing.
    Implementation: test-implementation.js.
  3. Rationale and Output Inspection
    Outputs are recorded and validated for explicit ranges and formats.
    Implementation: test-implementation.js logging and TESTING.md matrix.

Logic Chain 3 — Desktop GUI Proof Chain (Steps 1–3)

Why: A desktop GUI is only real if its runtime files and launch hooks are verified.

How it was implemented:

  1. File Presence Proof
    The launcher, Electron main process, preload script, and GUI entry point are verified to exist.
    Implementation: test-implementation.js testFileStructure().
  2. Executable Feature Inspection
    The Electron main process is scanned for IPC handlers, BrowserWindow usage, and shutdown logic.
    Implementation: test-implementation.js testDesktopAppStructure().
  3. GUI Integrity Checks
    The GUI is validated for production classes and interactive features.
    Implementation: test-implementation.js testGUIImplementation().

Mathematical Proof Notes

All math-related tests are run with deterministic input sets and are explicitly bounded by the invariants defined in src/utils/mathUtils.js. The edge-window sampling (-1..12) confirms that each method remains within its documented domain/range.