docs: reconcile spec inconsistencies across all documentation

- Fix incursion start day: 5→20 in GAME_BRIEFING.md (matches code constant)
- Fix fabricator discipline count: 2→5 in AGENTS.md
- Fix discipline counts: elemental.ts 22→21, advanced-regen.ts 14→15
- Fix equipment count: 50→43, remove shields, fix catalysts count
- Fix prestige upgrade count: add missing manaWell, manaFlow, pactBinding, pactInterferenceMitigation
- Remove x3 victory multiplier (no victory condition defined yet)
- Update pact persistence: pacts do NOT persist through prestige
- Update elemental matchup tables to match ultimate truth
- Update room type frequencies to match spire-climbing-spec
- Update guardian data tables to use formulas
- Update Tier 3 guardian elements to match guardian-data.ts code
- Add pactBinding + pactInterferenceMitigation to PRESTIGE_DEF constants
- Wire pactInterferenceMitigation into useGameDerived.ts
- Update spire-combat-spec.md Known Gaps table (DoT implemented, melee bypass bug)
- Update invoker-spec.md known issues (all resolved)
- Update golemancy-spec.md status (undergoing redesign)
- Update PrestigeTab test to expect 15 upgrades
- Create Gitea issues #285 (melee defense bypass), #286 (DoT verified), #287 (mana conversion gap)

docs/dependency-graph.json

@@ -1,6 +1,6 @@
 {
   "_meta": {
-    "generated": "2026-06-04T17:32:34.521Z",
+    "generated": "2026-06-04T17:52:02.064Z",
     "description": "Import dependency graph for src/lib/game. Keys are files, values are arrays of files they import.",
     "usage": "To find what a file affects, search for its path in the VALUES. To find what a file depends on, look at its KEY entry."
   },