chore: reduce default log level to warning

- Change default log level from :info to :warning in main config
- Change development log level from :debug to :warning
- Set global Logger level to :warning in development
- Suppresses verbose startup validation debug messages
- Only important warnings and errors are now shown

Author: azmaveth

config/config.exs

@@ -12,7 +12,7 @@ config :ex_llm,
   cache_persist_disk: false,
   cache_disk_path: "~/.cache/ex_llm_cache",
   # Debug logging configuration
-  log_level: :info,
+  log_level: :warning,
   log_components: %{
     requests: true,
     responses: true,
@@ -42,10 +42,15 @@ config :logger, :console,
     :body
   ]
 
+# Set default logger level to warning in development
+if Mix.env() == :dev do
+  config :logger, level: :warning
+end
+
 if Mix.env() == :dev do
   # Enhanced logging for development
   config :ex_llm,
-    log_level: :debug,
+    log_level: :warning,
     log_components: %{
       requests: true,
       responses: true,

test/cache/test_openai_capture/v1/chat/completions/test_capture/2025-07-07T01:37:32.276383Z/2025-07-07T01-37-32.276571Z.json

@@ -0,0 +1 @@
+{"cached_at":"2025-07-07T01:37:32.276652Z","response_data":{"choices":[{"finish_reason":"stop","index":0,"message":{"content":"Hello! How can I help you today?","role":"assistant"}}],"created":1234567890,"id":"chatcmpl-123","model":"gpt-4","object":"chat.completion","usage":{"completion_tokens":8,"prompt_tokens":10,"total_tokens":18}},"api_version":null,"cache_version":"1.0","request_metadata":{"headers":[],"captured_at":"2025-07-07T01:37:32.276383Z","endpoint":"/v1/chat/completions/test_capture","environment":"test","headers":[],"provider":"test_openai_capture","request_summary":{"model":"gpt-4","max_tokens":100,"temperature":0.7,"messages_count":1},"response_time_ms":523,"status_code":200},"test_context":null}

test/cache/test_openai_capture/v1/chat/completions/test_capture/2025-07-07T01:37:32.276383Z/index.json

@@ -0,0 +1 @@
+{"access_count":0,"cache_hits":0,"cache_key":"test_openai_capture/v1/chat/completions/test_capture/2025-07-07T01:37:32.276383Z","cleanup_before":null,"entries":[{"api_version":null,"content_hash":"709293bdf3c5b066701e54b2c5d03cd400dbe51457ce27a6716df4b400c7aa65","cost":null,"filename":"2025-07-07T01-37-32.276571Z.json","response_time_ms":0,"size":721,"status":"success","timestamp":"2025-07-07T01:37:32.276571Z"}],"fallback_strategy":"latest_success","last_accessed":"2025-07-07T01:37:32.278189Z","last_cleanup":null,"test_context":null,"total_requests":1,"ttl":604800000}

test/cache/test_openai_display/v1/chat/completions/test_display/2025-07-07T01:37:32.649642Z/2025-07-07T01-37-32.649742Z.json

@@ -0,0 +1 @@
+{"cached_at":"2025-07-07T01:37:32.649792Z","response_data":{"choices":[{"finish_reason":"stop","message":{"content":"Test response"}}],"usage":{"completion_tokens":5,"prompt_tokens":10,"total_tokens":15}},"api_version":null,"cache_version":"1.0","request_metadata":{"headers":[],"captured_at":"2025-07-07T01:37:32.649642Z","endpoint":"/v1/chat/completions/test_display","environment":"test","headers":[],"provider":"test_openai_display","request_summary":{"model":"gpt-4","max_tokens":null,"temperature":null,"messages_count":0},"response_time_ms":123},"test_context":null}

test/cache/test_openai_display/v1/chat/completions/test_display/2025-07-07T01:37:32.649642Z/index.json

@@ -0,0 +1 @@
+{"access_count":0,"cache_hits":0,"cache_key":"test_openai_display/v1/chat/completions/test_display/2025-07-07T01:37:32.649642Z","cleanup_before":null,"entries":[{"api_version":null,"content_hash":"d3b9c5c19d4b6631f24d7fe4c5fe39812cbacf5f5c1c9bfba4ce167ae81a147a","cost":null,"filename":"2025-07-07T01-37-32.649742Z.json","response_time_ms":0,"size":573,"status":"success","timestamp":"2025-07-07T01:37:32.649742Z"}],"fallback_strategy":"latest_success","last_accessed":"2025-07-07T01:37:32.650725Z","last_cleanup":null,"test_context":null,"total_requests":1,"ttl":604800000}