Repository improvement suggestions

[CodexVeritas]

Overview

A comprehensive review of the forecasting-tools repository with actionable improvement recommendations, organized by priority and effort.

What's Included

An IMPROVEMENT_SUGGESTIONS.md file covering 20 improvement items across 8 categories:

1. Testing & Code Quality Infrastructure — test coverage reporting, centralized lint config, task runner
2. Error Handling & Robustness — narrowing broad except Exception catches (~85 instances), env var validation
3. Code Organization & Style — import ordering, missing type hints, replacing print() with logging
4. Dependency Management — pre-commit hook updates, unused deps, future uv migration
5. CI/CD Improvements — integration test CI, coverage reporting, broader branch triggers
6. Documentation — CONTRIBUTING.md, architecture docs, TODO triage (~35 TODOs)
7. Security — zip bomb handling, API key validation at startup
8. Performance & Scalability — consistent async patterns, request timeouts

Top Priority Items

Item	Priority	Effort
Add test coverage reporting	High	Low
Narrow except Exception catches	High	Medium
Handle zip bomb TODO (security)	High	Medium
Add integration test CI job	High	Medium
Centralize lint/format config	Medium	Low
Validate env vars before use	Medium	Low
Add CONTRIBUTING.md	Medium	Low

Each recommendation includes specific file references, code examples, and rationale.