Gate native AI Credits pipeline processing

[asizikov]

Native AI Credits reports are still blocked for normal uploads, but internal tests need an end-to-end path to exercise native adapter parsing, metadata, and included-credit policy behavior. This keeps the public/default path rejected while adding an explicit opt-in pipeline flag for controlled processing.

Summary

• Adds enableNativeAiCreditsProcessing to runPipeline, defaulting to false.
• Threads an internal native validation override through report adapter selection without marking native reports as supported.
• Uses native parsing during included-credit context analysis when native metadata is active, including date normalization for policy selection.
• Adds focused tests for default rejection before aggregator hooks, flagged native metadata/row processing, native-format aggregation, and summer vs September included-credit allocation.

Commit summary

Commit	Change
feat: gate native AI Credits pipeline	Adds the internal opt-in native pipeline path while preserving default rejection and UI behavior

Validation

• npm test -- --run src/pipeline - passed, 144 tests
• npm run lint - passed
• npm run build - passed

[Copilot]

Pull request overview

This PR adds an explicit opt-in flag to allow end-to-end pipeline processing of native AI Credits reports for internal/testing scenarios, while keeping the default upload path rejecting native reports as unsupported. It also ensures included-credit policy selection uses native parsing (including date normalization) when native metadata is active.

Changes:

• Added enableNativeAiCreditsProcessing (default false) to runPipeline, threading it into report-format validation to bypass the “unsupported native” rejection only when explicitly enabled.
• Updated adapter validation to accept a validation override for native format without marking native reports as generally supported.
• Updated included-credits context analysis to use native parsing when native metadata is in effect, with tests covering default rejection, opt-in processing, aggregation behavior, and policy boundary behavior.

Show a summary per file

File	Description
src/pipeline/runPipeline.ts	Adds an opt-in pipeline flag and passes validation options into format validation.
src/pipeline/runPipeline.test.ts	Adds tests for default native rejection and enabled native processing/aggregation/policy selection.
src/pipeline/reportAdapters.ts	Introduces validation options and gates native first-record rejection behind an explicit allow flag.
src/pipeline/aicIncludedCredits.ts	Switches included-credits context parsing to native parsing when native metadata is active.

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• Files reviewed: 4/4 changed files
• Comments generated: 0