Add support for skipping validation lookups for trusted user and session IDs

Bump version: 0.6.5 -> 0.6.6

Refactor system prompt caching to support strategy-specific prompts in AsyncHTTPClient and HTTPClient

Add merge conflict and expiration fields to MemoryVersionInfo and UserMemoryItem models

Fix formatting inconsistencies in get_context method parameters

Bump version: 0.6.4 -> 0.6.5

Update GitHub Release workflow to use github.token for authentication

Bump version: 0.6.3 -> 0.6.4

Refactor error handling in HTTPClient and AsyncHTTPClient to provide clearer rate limit messages and maintain exception context

Bump version: 0.6.2 -> 0.6.3

Refine 404 error handling in AsyncHTTPClient and HTTPClient to check response text

Remove hardcoded timeout value of 5 minutes in AsyncHTTPClient and HTTPClient request methods

Update GitHub release workflow to use GH_PAT and add Makefile for version bumping

Bump version: 0.6.1 -> 0.6.2

Increase timeout to 5 minutes for HTTP requests in AsyncHTTPClient and HTTPClient