Add Missing Logs Across Platform for Key Events and Actions

[avirajsingh7]

This PR introduces comprehensive logging across the platform to improve observability, traceability, and debugging efficiency.

Target issue : #213 and #234

• Added missing logs in critical modules.
• Logs follow a structured and consistent format for clarity:

logger.info(
    f"[<module>.<action>] <message> | key1={value1}, key2={value2}, ..."
)

• Middleware added to automatically log all incoming HTTP requests with metadata
• Separation of Log Levels based on info, warning, error

[codecov]

Codecov Report

Attention: Patch coverage is 80.11364% with 105 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
backend/app/api/routes/collections.py	32.14%	19 Missing ⚠️
backend/app/crud/credentials.py	68.42%	12 Missing ⚠️
backend/app/core/cloud/storage.py	67.64%	11 Missing ⚠️
backend/app/crud/rag/open_ai.py	72.50%	11 Missing ⚠️
backend/app/api/routes/login.py	60.00%	8 Missing ⚠️
backend/app/crud/document_collection.py	46.66%	8 Missing ⚠️
backend/app/api/routes/project_user.py	71.42%	4 Missing ⚠️
backend/app/crud/collection.py	84.61%	4 Missing ⚠️
backend/app/crud/project_user.py	80.00%	4 Missing ⚠️
backend/app/api/routes/credentials.py	86.95%	3 Missing ⚠️
... and 10 more

📢 Thoughts on this report? Let us know!

[nishika26]

I do not think that we need to implement logging in this file since it is not being used, and also not needed for project_user route as well since we already have a project user relationship with the api key generation

[avirajsingh7]

lets just keep it, may be if we need in future or if we remove code logging will be removed also

[nishika26]

same comment as above