Fixes batch 2: player quests, AI parse, advisor, iPad share

- Player view: a Quest log now syncs to players (snapshot += quests; broadcaster
  passes campaign quests; PlayerBoards renders titles + objective checkboxes).
- AI (DeepSeek etc.): robust JSON extraction — strip code fences anywhere + a
  brace-balanced scanner that ignores prose/braces in strings. Fixes "AI unavailable
  (parse)" with OpenAI-compatible providers. +4 tests.
- Encounter advisor: now bidirectional — for an over-tuned (too-hard) fight it
  suggests REMOVING/swapping monsters instead of only ever adding. +3 tests.
- Character share: works on iPad — native share sheet → clipboard → a copyable
  link modal fallback (was a silently-failing clipboard write).

230 unit + 34 e2e + 2 realtime green.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/features/assistant/EncounterTipCard.tsx

@@ -53,11 +53,20 @@ export function EncounterTipCard({ campaign, encounter }: { campaign: Campaign;
               <p className="mb-2 text-sm text-ink">{suggestion.reasoning}</p>
               <ul className="mb-2 text-sm text-ink">
                 {suggestion.add.map((a) => (
-                  <li key={a.name}>• {a.count}× {a.name}</li>
+                  <li key={`add-${a.name}`}>• Add {a.count}× {a.name}</li>
+                ))}
+                {(suggestion.remove ?? []).map((r) => (
+                  <li key={`remove-${r.name}`}>• Remove {r.count}× {r.name}</li>
                 ))}
               </ul>
               <div className="flex gap-2">
-                <Button size="sm" variant="primary" onClick={apply}>Add to encounter</Button>
+                {(suggestion.add.length > 0 || (suggestion.remove?.length ?? 0) > 0) && (
+                  <Button size="sm" variant="primary" onClick={apply}>
+                    {suggestion.add.length === 0 && (suggestion.remove?.length ?? 0) > 0
+                      ? 'Apply to encounter'
+                      : 'Add to encounter'}
+                  </Button>
+                )}
                 <Button size="sm" variant="ghost" onClick={run}>Regenerate</Button>
               </div>
             </div>

src/features/assistant/useEncounterAdvisor.ts

@@ -4,7 +4,7 @@ import { encountersRepo } from '@/lib/db/repositories';
 import { newId } from '@/lib/ids';
 import { createRng } from '@/lib/rng';
 import { rollDice } from '@/lib/dice/notation';
-import { addCombatant } from '@/lib/combat/engine';
+import { addCombatant, removeCombatant } from '@/lib/combat/engine';
 import { computeBudget } from '@/lib/combat/budget';
 import { loadMonsters, loadPf2e } from '@/lib/compendium';
 import { complete } from '@/lib/llm/client';
@@ -162,6 +162,16 @@ export function useEncounterAdvisor(campaign: Campaign, encounter: Encounter) {
     if (!suggestion) return;
     await encountersRepo.mutate(encounter.id, (e) => {
       let next = e;
+      // Over-tuned fights: take out the suggested monsters (newest copies first).
+      for (const r of suggestion.remove ?? []) {
+        for (let i = 0; i < r.count; i++) {
+          const victim = [...next.combatants].reverse().find(
+            (c) => c.kind === 'monster' && baseName(c.name) === r.name,
+          );
+          if (!victim) break;
+          next = removeCombatant(next, victim.id);
+        }
+      }
       for (const a of suggestion.add) {
         // Prefer cloning a creature already in the fight (handles "add another goblin"
         // and works even for custom/homebrew combatants); otherwise pull from the pool.