docs: changelog for v0.2.0 (2026-07-26)

[cursor]

Summary

Initial CHANGELOG.md for the first weekly maintainer run. Covers all merged work on main from 2026-07-19 → 2026-07-26.

Type

• Docs only

Version bump

• Previous: none (no prior changelog; package at 0.1.0 in pyproject.toml)
• New: 0.2.0
• Rationale: MINOR — large batch of new CLI commands, secondary research RQs, ML baseline suite, AI Terrarium persona rework, Quarto site pages, and Posit publish tooling; no breaking API removals identified.

Categories included

• Added — core pipeline/CLI, evaluation metrics, secondary RQs (Secondary RQ: regular public transit vs cohort CA scores #16–Add wave-2 follow-up experiments, research memos, and Quarto site pages #30), persona/prompt work (Incorporate student status into base demos persona tier #31–Show AI Terrarium persona examples on the landing page #38), ML suite (Expand CA ML baselines to Ridge, XGBoost, MLP, and full suite #36–Refresh ML suite baseline figures after full-cohort republish #37), docs/agent tooling (Add JackJBurleson Posit Connect publish skill (full-data gated) #32–Expand landing abstract, secondary RQ presentation, and GitHub access #34, Add AGENTS.md with Cursor Cloud dev environment setup notes #42–Add PR/issue templates and expand AGENTS.md #43)
• Changed — pipeline alignment (Align pipeline to File A/B/C sibling data, cleaning, and RQ-focused EDA #15), site nav/copy (Clean site navigation: separate Memos from Secondary RQs #39, Audit Posit site: fix stale ML claims, vague prose, and path bugs #41), cohort artifact sync (Harden cohort loading and sync secondary Posit artifacts #44)
• Fixed — merge audit (Fix File C merge: restore 252/21/10 coverage audit #19), path/silent-failure fixes (Fix silent failures, path fallbacks, placeholders, and doc/requirements drift #24), comprehensive-transit-rf CLI (Fix comprehensive-transit-rf CLI and republish full cohort #40)
• Notes — Posit publish prerequisites and cohort seed conventions

Source PRs

#4, #6, #7, #10–#14, #16–#20, #23–#30, #31–#36, #38–#44 (39 merged PRs in window)

Intentionally excluded

• README badge/title-only edits (Update README.md #1, Update README.md #3)
• Merge-conflict resolution without user-facing delta (Resolve geo transit memo merge conflict with main #22)
• Notebook formatting / execution-count churn on direct commits (already reflected under related PR themes)

Testing

• Docs only — no code changes

  

[cursor]

Bugbot is not enabled for your account, so this pull request was not reviewed.

Enable Bugbot in the Cursor dashboard to get automatic reviews on future PRs.