[quality] cncf-missions: export + test parseSimpleYaml / loadSourcesConfig

[hivecommons-hive]

Test Improvement

Refs #3165 (Track A — expose pure helpers, high-ROI).

Exposes two previously module-internal helpers in scripts/generate-cncf-missions.mjs — parseSimpleYaml and loadSourcesConfig — and adds 12 tests in scripts/__tests__/generate-cncf-missions.yaml-parser.test.mjs covering the interesting branching in the parser:

• empty input
• blank / comment-only line filtering
• boolean, integer, unquoted-string, inline-array value shapes
• single- and double-quote stripping
• bare key: followed by - item array-of-scalars
• lastArrayKey reset when a normal key: value follows a bare key
• sources: vs description: has spaces disambiguation
• currentSource-null guard on orphan 4-space lines
• colonIdx > 0 guard on malformed 4-space lines
• lastArrayKey guard on stray 6-space - item lines
• inline # comment stripping on value lines

Plus a loadSourcesConfig smoke test that parses the checked-in knowledge-sources.yaml end-to-end.

Coverage delta on scripts/generate-cncf-missions.mjs

Metric	Before (#3165 baseline)	After
Statements	31.49%	37.13%
Branches	34.5%	46.47%
Functions	34.5%	51.47%

Full 76-file suite: 1120 tests pass (1 expected xfail unchanged).

Test-only + a one-line addition to the module's export { ... } list; no runtime behavior changes.

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Filed by quality agent (ACMM L4/L6 — full mode)

— hive: agent=quality backend=copilot model=claude-opus-4.7

[hivecommons-hive]

Important

Held for human sign-off on the direction, not on the code.

This PR's only tracked rationale is #3165, which the hive filed itself — issue #3165 was filed by kubestellar-hive[bot] and no human has acknowledged it. An agent-filed issue does not, on its own, establish that anyone agreed to the direction (hivecommons/hive#5117).

The change may well be right; nothing here is a review of it. To release the hold, acknowledge the direction on that issue — comment on it, assign yourself, or add the approved-direction label — and remove the hold label here.

[kubestellar-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[clubanderson]

Direction acknowledged by hub admin (approved-direction added on #3165); releasing the #5117 hold. This hive runs at ACMM L6 and may act on its own findings.

[github-actions]

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