Optional Hawking presentation mode for grounded answers (+ green CI)

[0xadvait]

What

doxa retrieves evidence; the agent reading it composes the prose answer (doxa query --answer is the built-in renderer). This adds an optional presentation layer for that final step, without touching the verbatim-grounding guarantee.

The flagship optional mode is hawking, distilled from how Stephen Hawking presented evidence in the first two chapters of A Brief History of Time: open on the ancient question rather than the apparatus, let the evidence arrive as a procession of minds, say the largest thing in the plainest sentence, keep the genuine strangeness intact, and turn the answer into a question about what we can know.

Default is plain (output unchanged), so it is opt-in -- not everyone needs it.

How it works

• doxa/present.py -- registry-based PresentationProfile system. plain (default, no directive) + hawking. Each Hawking "move" carries a short verbatim exemplar so an agent can pattern-match on real prose.
• CLI:
  • doxa query "..." --present hawking prepends a === doxa presentation directive === block to the retrieved evidence; pairs with --answer.
  • doxa present --list / doxa present hawking to inspect profiles.
  • presentation.default config key to make a mode sticky per belief base.
• Voice, not license. The directive restates the inviolable rule: answer only from returned beliefs and quotes, report conviction honestly, invent nothing.

Backward compatibility

• Default behavior unchanged (plain).
• --json stays a bare list for plain; wraps as {"presentation": {...}, "results": [...]} only for a non-plain mode.

Also: green CI

main's CI had been red. This PR also fixes the pre-existing failures so it lands green across Python 3.10-3.13:

• resources.py imported importlib.resources.abc at runtime (3.11+ only); it is annotation-only, so it is now guarded under TYPE_CHECKING (fixes the 3.10 collection error).
• mypy: typed the lens init-answers dict as dict[str, Any] and the pack source-dedup loop as Belief | Quote.
• bandit: marked the scheme-validated pack urlopen with # nosec B310.

Verification

• New tests in tests/test_present.py (16): profile registry, directive structure + grounding-rule survival, deterministic rendering, CLI text/JSON paths, config-default resolution.
• Full suite: 129 passed. Clean under ruff, mypy, bandit, coverage (83%), build, twine, on Python 3.10/3.11/3.12/3.13.
• doxa eval on demo data still reports 100% verbatim -- grounding guarantee intact.

Docs

README section + Docs link, AGENTS.md, docs/presentation.md, architecture note, the portable skill (both copies), and doxa.example.yaml.