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Lucas WintherandClaude Opus 5.5 a0cf9be214 feat: module 10 spellgrid

SpellGrid capstone: Part I's card engine and Part II's grid engine joined at
three seams (rules -> aura data, hazard victims -> one destroy Sequence,
Sequence end -> write text, remove the dead, reparse). Three levels with
scripted solutions, a naive-timing test via a harness-only hook that
reverses the END_OF_PHASE list, CLIs in both tracks, the BATTLECRY IS DOUBLE
Expansion Drop, SpellGrid cards and words in course/cards and the catalog,
level schema cards/hand, and tools staging/copying of module levels.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-29 05:01:27 +01:00

solution

feat: module 10 spellgrid

2026-10-29 05:01:27 +01:00

tests

feat: module 10 spellgrid

2026-10-29 05:01:27 +01:00

README.md

feat: module 10 spellgrid

2026-10-29 05:01:27 +01:00

README.md

Module 10 Expansion Drop: BATTLECRY IS DOUBLE

The lesson's Expansion Drop beat explains the task. This file holds the scenario, the test locations and the check.

Word: BATTLECRY, a noun that names a trigger, as DEATHRATTLE does. With it, BATTLECRY IS DOUBLE written on the grid makes every Battlecry trigger twice, like Brann Bronzebeard ("Your Battlecries trigger twice.", Module 4).
Card: Town Crier, a SpellGrid card that is already in course/cards/ ("game": "spellgrid"): a 1-cost 1/1 minion, noun CRIER, "Battlecry: Deal 1 damage to the enemy hero."
Tests: tests/rust/test_10x.rs and tests/ts/test_10x.test.ts. Copy the one for your track into your workspace's tests/.
Reference answer, two data files and no code:
- solution/words.json: the Module 10 reference's src/content/words.json with one entry added, { "name": "BATTLECRY", "role": "noun" }.
- solution/seams.json: the Module 10 reference's src/content/seams.json with one entry added to triggerWords, "BATTLECRY": "battlecry".
- Nothing under src/engine/ changes, and neither does the harness. The seam compiles any trigger word joined to any multiplier word; Module 4's one activations routine already multiplies Battlecries.
Check: commit your workspace before you start, then run node tools/expansion-check.mjs <your-workspace> <that-commit> from the course repository. It fails if any file under src/engine/ changed.

Scenario

test_10x_battlecry_is_double

Setup: newSpellGrid with a level 5 wide and 3 high holding BATTLECRY (0,0) IS (1,0) DOUBLE (2,0), no cards on the grid, and hand ["Town Crier"].
Assertions 1: activeRules() contains "BATTLECRY IS DOUBLE".
Action: clearLog(), then play("Town Crier", 0, 2), returning crier.
Assertions 2:
- The log holds exactly two Triggered { source: crier, trigger: "battlecry" }.
- health(hero(1)) is 28: two Battlecries of 1 damage each.
- kindsAt(0,2) is ["crier"]: the minion entered the grid as its card's noun.

Before the drop the lexicon doesn't know BATTLECRY, so the text spells no rule, and the first assertion fails. (Without that assertion the Battlecry would trigger once and the hero would have 29 Health.)