feat(package.json): bump version to 1.7.6

[jucasoliveira]

feat(creds.ts): refactor secret key handling to use file storage and add functions for key generation and retrieval
feat(creds.ts): improve encryption and decryption functions to handle errors and edge cases
feat(creds.ts): update saveCredentials to encrypt optional tavilyApiKey
feat(creds.ts): update getCredentials to handle errors and log messages
refactor(engine/anthropic.ts): remove debug log statements
refactor(handlers/webHandler.ts): update handleWebResearch to prompt for tavilyApiKey
feat(handlers/webHandler.ts): update saveCredentials to handle tavilyApiKey
feat(handlers/webHandler.ts): update handleWebResearch to display content in search results
feat(utils.ts): update apiKeyPrompt to save credentials without default user param

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🔴	Statements	40.19% (+3.61% 🔼)	125/311
🔴	Branches	18% (+8.7% 🔼)	18/100
🔴	Functions	25.64% (+6.2% 🔼)	10/39
🔴	Lines	39.67% (+3.8% 🔼)	119/300

Show files with reduced coverage 🔻

St.❔	File	Statements	Branches	Functions	Lines
🟢	creds.ts	84.85% (-5.15% 🔻)	66.67% (+9.52% 🔼)	88.89% (+5.56% 🔼)	84.85% (-5.15% 🔻)

Test suite run success

8 tests passing in 2 suites.

Report generated by 🧪jest coverage report action from d9ded00