Fix git index: remove target/artefact .gitignore, keep runtime JSON in index

.gitignore

@@ -65,3 +65,4 @@ Thumbs.db
 # seul .ideai/memory/ est le store durable versionné).
 .ideai/conversations/
 .ideai/agents.json
+.ideai/background-tasks/

target/release/bundle/appimage/.gitignore

@@ -1,70 +0,0 @@
-# ─── Rust / Cargo ───────────────────────────────────────────────────────────
-# Build output for the whole workspace (Cargo.lock IS committed — it's an app).
-/target/
-# ...et les target/ des sous-crates du workspace (règle non ancrée).
-target/
-**/*.rs.bk
-
-# ─── Node / frontend ────────────────────────────────────────────────────────
-# Dependencies and build output (package-lock.json IS committed).
-frontend/node_modules/
-frontend/dist/
-# Sortie du build web (VITE_TRANSPORT=http) servie par idea-serve : meme
-# classe que dist/, rebuildable depuis les sources — not versioned (#65).
-frontend/dist-web/
-# Root-level node_modules (dev tooling installs at repo root — never versioned).
-/node_modules/
-# npm/yarn/pnpm debug logs
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-pnpm-debug.log*
-.pnpm-store/
-# Vite / vitest caches
-frontend/.vite/
-frontend/coverage/
-
-# ─── Tauri ──────────────────────────────────────────────────────────────────
-# Bundles live under target/ (already ignored). Generated icons are committed.
-.tauri/
-
-# ─── Claude Code ────────────────────────────────────────────────────────────
-# Personal, machine-local overrides (shared settings.json, if any, stays tracked).
-.claude/settings.local.json
-# Ephemeral git worktrees created by Claude Code's isolated sub-agents — dev
-# tooling only, unrelated to IdeA (which stays git-independent).
-.claude/worktrees/
-
-# ─── IdeA project data ──────────────────────────────────────────────────────
-# Ephemeral per-agent run directories (isolated PTY cwd + generated convention
-# files), created at activation — not versioned (ARCHITECTURE §9.1 / §14.1).
-.ideai/run/
-# Derived vector store for semantic recall (LOT C / §14.5.3): embeddings of the
-# memory notes, rebuildable from the `.md` source of truth — not versioned.
-.ideai/memory/.index/
-# Runtime file-protocol orchestration requests/responses — transient I/O, not
-# durable project state (curation .ideai §chantier secondaire).
-.ideai/requests/
-# Volatile agent live-state snapshot ("who is doing what right now", lot LS2):
-# rebuilt at runtime, keyed last-writer-wins — not versioned (unlike .ideai/memory/).
-.ideai/live-state.json
-# UI layout runtime state (active layout id + session ids) — machine-local,
-# rebuilt at runtime, last-writer-wins — not versioned (same class as live-state.json).
-/.ideai/layouts.json
-
-# ─── Editors / OS ───────────────────────────────────────────────────────────
-.idea/
-.vscode/
-*.swp
-*.swo
-*~
-.DS_Store
-Thumbs.db
-# Conversation runtime (handoff distillé + log.jsonl transcript par paire) :
-# état d'exécution reconstruit au fil de l'eau — not versioned (LS8 §7, design D19-4 ;
-# seul .ideai/memory/ est le store durable versionné).
-.ideai/conversations/
-.ideai/agents.json
-
-# Runtime background tasks (sensitive, transient data)
-.ideai/background-tasks/