study groups under activities

[Ananya44444]

Integrates Study Groups into the Activities engine

Screen.Recording.2026-07-09.031316.1.1.mp4

Integrated Study Groups into the Activities experience across the UI and routing layers. Updated dashboard and Host Hub activity card metadata so study_group uses the correct icon and styling, added “study groups” to the Host Hub description and create-activity type selector, and extended server-side routing to treat study-group URLs as activity routes with redirects for deep links. Added tests covering study-group page serving and redirect behavior.

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Review details

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📥 Commits

Reviewing files that changed from the base of the PR and between 1fd4a4e and 8eb2849.

📒 Files selected for processing (1)

• tests/test_dispatcher.py

Walkthrough

This PR adds a "study_group" activity type across the dashboard and teach pages (icon/color mappings, dropdown option, hero text), and updates the worker to route "/study-groups" URLs to "/activity" pages via redirect and legacy prefix rewriting, with new dispatcher tests.

Changes

Study group support

Layer / File(s)	Summary
Frontend study_group styling public/dashboard.html, public/teach.html	Adds study_group entries to typeIcon/typeColor maps, a new dropdown option, and updated hero text mentioning study groups; meetup icon mapping is removed in teach.html.
Worker routing for study-groups src/worker.py	Removes /study-groups from SSR_RECORD_PAGES, extends legacy prefix rewriting for /study-groups/ and /study-group/ to /activity/, and adds a GET redirect for /study-groups?/<slug-or-id> to /activity/<slug-or-id>.
Dispatcher test coverage tests/test_dispatcher.py	Adds TestStudyGroupRedirection verifying static serving and redirect behavior for study-groups routes.

Estimated code review effort: 2 (Simple) | ~10 minutes

Sequence Diagram(s)

sequenceDiagram
  participant Client
  participant Dispatcher
  participant StaticHandler
  Client->>Dispatcher: GET /study-groups/slug
  Dispatcher->>Dispatcher: match /study-groups?/<slug>
  Dispatcher-->>Client: 302 redirect to /activity/slug
  Client->>Dispatcher: GET /study-groups
  Dispatcher->>StaticHandler: serve static HTML
  StaticHandler-->>Client: 200 response

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🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title matches the main change: integrating study groups into the activities flow.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Actionable comments posted: 2

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/worker.py`:
- Around line 6084-6089: Add test coverage for the singular study-group redirect
handled in worker.py by the route-matching logic in the GET branch that uses
re.fullmatch(r"/study-groups?/([^/]+)", route_path) and
_redirect_to_current_route. Extend the existing redirect tests to verify that a
request to /study-group/<slug> (singular) is redirected to /activity/<slug> just
like the plural form, so the regex behavior is covered for both variants.

In `@tests/test_dispatcher.py`:
- Around line 260-282: Add test coverage in TestStudyGroupRedirection for the
singular /study-group/<slug> route, since the dispatcher regex in
worker._dispatch matches it but no test currently exercises that path. Follow
the existing make_env, MockRequest, and set_static_content pattern, then assert
the response is a 302 redirect from /study-group/my-awesome-group to the
corresponding /activity/my-awesome-group Location.

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Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository: alphaonelabs/coderabbit/.coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 50104de4-a987-4b5c-966f-4d068a51877d

📥 Commits

Reviewing files that changed from the base of the PR and between 31d637d and 1fd4a4e.

📒 Files selected for processing (4)

• public/dashboard.html
• public/teach.html
• src/worker.py
• tests/test_dispatcher.py