feat: dashboard VAULTCOM v3 + config.py TICK_SLEEP_SEC + sim_config

- dashboard/app.py: Nouveau dashboard Flask (schéma DB migration_003)
  Affiche PNJ par tier (0/1/2/3), events, rencontres, world_state,
  faction_relations, inventaire boss. Auto-refresh 30s.
  Connecté via tunnel SSH interne vers Vigile:5432
- src/engine/config.py: Fix TICK_SLEEP_SEC depuis env (était hardcodé 0)
- src/config/sim_001.json: Paramètres simulation centralisés
  (tick_speed, difficulty presets, LLM config, multi-session)

Accessible: fallout.coyoteos.ovh

src/config/sim_001.json

@@ -0,0 +1,45 @@
+{
+  "_comment": "Configuration de la simulation session 1 — Venice of Wasteland",
+  "session": {
+    "session_id": 1,
+    "name": "Session 001 — Louisiane post-apo",
+    "seed_global": 42,
+    "mode": "sandbox"
+  },
+  "tick": {
+    "tick_sleep_sec": 60,
+    "ticks_per_day": 24,
+    "day_start_tick": 6,
+    "night_start_tick": 20,
+    "llm_tick_interval": 6
+  },
+  "difficulty": {
+    "preset": "normal",
+    "survival_drain_food": 1,
+    "survival_drain_water": 1,
+    "survival_drain_sleep": 1,
+    "encounter_rate_multiplier": 1.0,
+    "combat_lethality": 1.0,
+    "resource_scarcity": 1.0
+  },
+  "difficulty_presets": {
+    "easy":      { "survival_drain_food": 0, "survival_drain_water": 0, "survival_drain_sleep": 0, "encounter_rate_multiplier": 0.5, "combat_lethality": 0.7 },
+    "normal":    { "survival_drain_food": 1, "survival_drain_water": 1, "survival_drain_sleep": 1, "encounter_rate_multiplier": 1.0, "combat_lethality": 1.0 },
+    "hard":      { "survival_drain_food": 2, "survival_drain_water": 2, "survival_drain_sleep": 1, "encounter_rate_multiplier": 1.5, "combat_lethality": 1.3 },
+    "nightmare": { "survival_drain_food": 3, "survival_drain_water": 3, "survival_drain_sleep": 2, "encounter_rate_multiplier": 2.0, "combat_lethality": 1.8 }
+  },
+  "llm": {
+    "enabled": false,
+    "model_mj": "qwen2.5:14b",
+    "model_pnj": "qwen2.5:7b",
+    "ollama_url": "http://localhost:11434",
+    "chroma_url": "http://localhost:8000",
+    "chroma_collection": "fallout_vst"
+  },
+  "multi_session": {
+    "allow_parallel": true,
+    "max_sessions": 4,
+    "session_db_host": "localhost",
+    "session_db_port": 15432
+  }
+}