chore(card-data): refresh MTGJSON token & subtype catalogs

[matthewevans]

Automated refresh of the engine-embedded card-data catalogs from the latest MTGJSON publish.

• crates/engine/data/known-tokens.toml — named-token catalog (tokens-gen)
• crates/engine/data/oracle-subtypes.json — creature-subtype vocabulary (oracle-gen --write-subtypes)
• crates/engine/data/mtgjson-vintage — vintage write-gate stamp

Generated by PHASE_REFRESH_MTGJSON=1 scripts/gen-card-data.sh; the vintage gate only promotes catalogs when the MTGJSON input date advances, so this diff reflects a genuine upstream data change. Review, then let it auto-merge once CI is green.

Summary by CodeRabbit

• New Features

  • Added metadata for numerous The Hobbit-themed cards and tokens, including Smaug, Bilbo’s Gambit, Dáin Ironfoot, goblins, and The Lonely Mountain.
  • Added references for newly supported token variants and related card records.

• Data Updates

  • Updated the vintage card data to the latest available dataset date.

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Review details

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: d30bc211-3426-4de4-b183-c91b72e73a0c

📥 Commits

Reviewing files that changed from the base of the PR and between 0378f81 and 2ddbdc7.

📒 Files selected for processing (2)

• crates/engine/data/known-tokens.toml
• crates/engine/data/mtgjson-vintage

📝 Walkthrough

Walkthrough

The engine token catalog now includes Hobbit-related source cards, token metadata, and Scryfall references across repeated indexes. The MTGJSON vintage date changed from 2026-07-30 to 2026-08-02.

Changes

Hobbit token catalog

Layer / File(s)	Summary
Add Hobbit source-card references crates/engine/data/known-tokens.toml	Adds Hobbit card names to token indexes and adds source-card references with Scryfall identifiers.
Add Hobbit token metadata crates/engine/data/known-tokens.toml	Adds metadata for Hobbit, army, creature, goblin, and transformed-face token sources.
Complete catalog propagation and vintage update crates/engine/data/known-tokens.toml, crates/engine/data/mtgjson-vintage	Propagates remaining Hobbit source-card names through token indexes and updates the MTGJSON vintage date.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Possibly related PRs

• phase-rs/phase#6632: Refreshes the same token catalog and MTGJSON vintage date.
• phase-rs/phase#6673: Updates engine token data and advances the MTGJSON vintage date.
• phase-rs/phase#6697: Refreshes known-tokens.toml with additional token entries.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the refresh of the MTGJSON token and subtype catalogs described in the pull request objectives.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

⚔️ Resolve merge conflicts 💡

• Resolve merge conflict in branch chore/refresh-card-data-catalogs

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/refresh-card-data-catalogs

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[github-actions]

Generated for head 2ddbdc7681e7d28bed9290fa08350a875b54bc0c.

Parse changes introduced by this PR

✓ No card-parse changes detected.