Add config.json.example template; gitignore config.json

Claude-Session: https://claude.ai/code/session_01VPNF37MP9Kuv62B1VBrZ1b

.gitignore

@@ -1,6 +1,7 @@
 # Secrets
 .env
 .env.local
+config.json
 
 # Editor / tooling
 .claude/

config.json.example

@@ -0,0 +1,24 @@
+{
+  "telegram": {
+    "token": "123456789:REPLACE_WITH_YOUR_BOT_TOKEN",
+    "chat_id": "REPLACE_WITH_OWNER_CHAT_ID",
+    "channel_id": "-100REPLACE_WITH_CHANNEL_ID_OR_EMPTY_STRING",
+    "alert_min_quality": "C"
+  },
+  "data_providers": {
+    "active": "twelve_data",
+    "twelve_data": {
+      "api_key": "REPLACE_WITH_YOUR_TWELVE_DATA_API_KEY"
+    }
+  },
+  "scanning": {
+    "pairs": ["XAU/USD"],
+    "timeframes": ["M5", "M15", "H1", "H4"]
+  },
+  "pairs": {
+    "XAU/USD": {
+      "blocked_hours_utc": [0, 1, 2, 10, 11, 13, 16, 21]
+    }
+  },
+  "log_level": "INFO"
+}

docs/superpowers/specs/2026-07-21-centralized-config-design.md

@@ -18,7 +18,7 @@ test-enforced (see Testing).
 ## Scoping decisions (user-confirmed 2026-07-21)
 
 1. **Secrets live in config.json** (gitignored). A committed
-   `config.example.json` carries placeholders. Env vars still override.
+   `config.json.example` carries placeholders. Env vars still override.
    The hardcoded credential fallbacks in `config.py` and `telegram_bot.py`
    are **deleted** — on a machine with neither config.json nor env vars, the
    bot refuses to start with an explicit error instead of silently using
@@ -39,7 +39,7 @@ test-enforced (see Testing).
 
 ## File schema
 
-`config.json` (gitignored; `config.example.json` committed with placeholders
+`config.json` (gitignored; `config.json.example` committed with placeholders
 for secrets and today's tuned values for everything else):
 
 ```json
@@ -128,7 +128,7 @@ block + one adapter class registered here. No shared base class extracted now
 - Create the local `config.json` populated with the **current live values**
   (the ones being deleted from source) so the running bot keeps working
   unchanged. `.gitignore` gains `config.json`.
-- Commit `config.example.json` with placeholders.
+- Commit `config.json.example` with placeholders.
 - CLAUDE.md: update the env-var table, repository map, and config section.
 - Post-merge recommendation (user action): rotate the Telegram token and
   Twelve Data key, since both are in git history.