fix(deps): add missing pydantic-settings dependency

pydantic-ai-slim doesn't include pydantic-settings as a transitive
dependency like the full pydantic-ai package did.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.2.5] - 2025-12-14
+
+### Fixed
+
+- **Dependencies**: Add missing `pydantic-settings` (not included in pydantic-ai-slim)
+
 ## [1.2.4] - 2025-12-14
 
 ### Added

README.md

@@ -432,7 +432,7 @@ For LLM agent development guidelines and architectural decisions, see [AGENTS.md
 
 ## Version
 
-Current version: **1.2.4** - Watchtower integration
+Current version: **1.2.5** - Dependency fix
 
 ---
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "tatlock"
-version = "1.2.4"
+version = "1.2.5"
 description = "OpenAI-compatible API with Ollama backend"
 requires-python = ">=3.12"
 dependencies = []

requirements.txt

@@ -14,6 +14,11 @@ uvicorn[standard]>=0.38,<0.39
 # Latest: 2.12.4 (Nov 5, 2025) - No known CVEs
 pydantic>=2.11,<2.13
 
+# Pydantic settings for configuration management
+# Required explicitly since pydantic-ai-slim doesn't include it
+# Latest: 2.12.0 (Dec 2025) - No known CVEs
+pydantic-settings>=2.12,<2.13
+
 # AI/LLM integration
 # PydanticAI: Agent framework for using Pydantic with LLMs
 # Using slim version with only openai extra (Ollama uses OpenAI-compatible API)