Publish statistics, free practice and free reading, not just an index - #1
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The repository navigated the catalog and gave a visitor nothing to read. Four surfaces now carry value of their own, generated by the same hourly job from the same records: * insights/ — what is being asked, where, and what recurs: the last 90 days by format and company, the difficulty/topic/round mix, month-by-month volume, and the questions reported at the most different companies, which is the closest thing this data has to an instruction. Computed in scripts/insights.py (pure) and rendered by scripts/report.py; data/insights.json is the same numbers as data. * free/ — the 167 questions that open without a paid plan, in full, easiest first and then by how many companies ask them, one page per format. The tier is the catalog's own accessTier, never asserted here. * guides/by-topic.md — the free writeups grouped by what they teach, beside the company grouping; guides/README.md gains a "recently published" block. * experiences/ — the newest candidate-written interview reports, read from /api/v1/interview-experiences. The statistics hold the same rules as the rest of the pipeline. Every share names the population it is a share of (45% of the bank carries a topic label and 58% a sighting date, so "18% of questions" would be false). An unmeasurable window renders "—" and a measured zero renders 0. An empty quarter is a sentence naming the most recent sighting, not a table of noughts, because the newest sighting here is routinely weeks old and a pipeline that reads as broken on a quiet week is not trusted on a busy one. dated + undated == total, with a future-dated row counted as dated, excluded from every window, and counted out loud. The JSON export publishes counts and denominators and does no division. A limitation and a failure stay different things: the reports endpoint takes no offset, so that page says which slice it is and how large the board is — but a read that failed raises, because publishing an empty section over a good one is how an hourly job deletes a page nobody was watching. Verified at production scale against a 2,249-question snapshot: README 26,767 B (budget 96,000), largest page 69,332 B (budget 192,000), re-render a no-op. Co-Authored-By: Claude Opus 5 <[email protected]> Claude-Session: https://claude.ai/code/session_013Y58Uu9oL6XG7NQBpVj7DM
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📝 WalkthroughWalkthroughThe PR adds catalog support for interview experiences, pure insight aggregation, generated reports and exports, free-question and topic-guide pages, README sections, synchronization updates, workflow changes, and documentation for the new generated surfaces. ChangesInsights and reporting
Priority: ➖ Normal Estimated code review effort: 5 (Critical) | ~120 minutes Change: Feature Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant fetch_catalog
participant insights.compute
participant report.insights_index
participant build.py
participant scripts/sync.py
fetch_catalog->>insights.compute: provide catalog questions and guides
insights.compute->>report.insights_index: provide Insights statistics
report.insights_index->>build.py: render generated pages and exports
build.py->>scripts/sync.py: write generated directories and README output
Merge Risk: 🟡 Moderate · up to Several generated reporting surfaces can present incorrect ordering or counts, including free-question, company, guide, and export views. Correct these output inaccuracies before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 35.90% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 78 functions across 7 files. (5 skipped: 5 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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@coderabbitai review Requesting a review while this is still a draft: the diff adds two new modules ( Generated by Claude Code |
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Actionable comments posted: 8
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Inline comments:
In `@scripts/build.py`:
- Line 297: Update the “Recently published” guide selection in build to parse
each Guide.added_at value and retain only dates whose parsed stamp is less than
or equal to today before sorting and selecting newest guides. Preserve the
existing handling of unparseable dates and anchor the change to the
ordered_guides generator and parse_catalog_date usage.
- Line 304: Add a preserve_order option to guide_rows and skip sort_guides when
it is enabled, then call guide_rows with preserve_order enabled for the recent
guide table so the descending added_at order in newest is retained.
In `@scripts/insights.py`:
- Line 409: Update the sorting key in the question-ranking logic to treat any
reported_date later than the current date as undated, using the existing zero
fallback for that tie-break; retain descending company-count ordering and normal
chronological ordering for non-future dates, with q.slug as the final tie-break.
In `@scripts/report.py`:
- Line 718: Update render_shard so rows supplied by the free_pages call retain
the _free_sort_key ordering instead of being reordered by sort_questions; use an
explicit sort strategy or preserve the incoming order while keeping existing
ordering behavior for other callers.
- Line 1019: Update the report count near the formatted companies summary to use
the uncapped active-company collection, insights.companies, instead of the
capped ranking collection insights.window_companies; preserve the existing
formatting and mix text.
- Line 925: Update the JSON export’s totals object near the existing inWindow
field to include the future-dated insight count, mapping the futureDated key to
insights.future_dated while preserving the other exported counts.
- Line 194: Update the report row formatting around FormatRow.free and
CompanyRow.free to render measured counts directly, preserving comma formatting
so zero displays as 0 rather than —; apply the same behavior to
CompanyRow.guides, while retaining the existing unmeasured placeholder only for
fields that are not measured.
- Around line 532-534: Update the active-company handling around the active list
construction to sort all rows with a nonzero window by descending window, then
case-insensitive name and key, and only afterward apply the COMPANY_ROWS limit.
Preserve the existing ordering criteria and output behavior.
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.github/workflows/sync.yml.github/workflows/verify.ymlDESIGN.mdREADME.mdscripts/build.pyscripts/catalog.pyscripts/fixtures/catalog-sample.jsonscripts/insights.pyscripts/render.pyscripts/report.pyscripts/sync.pyscripts/test_sync.py
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…pulation Eight findings from review, all real, all fixed with a test that fails without the fix: * `guide_rows` and `render_shard` sorted rows a caller had already ordered on purpose, so "Recently published" came out alphabetical and the free pages came out newest-first under a lede promising "easiest first". Both now take `preserve_order`, and the reason is written where the parameter is: a renderer that re-sorts its input makes a page contradict its own first sentence, and it does it where no caller can see. * The README said "sightings at N companies" from the length of a ranking capped at 25. On production data that read 25; it is 49. * "Most reported this quarter" capped the company list before sorting it by recent activity, having taken the first 25 by LIFETIME question count — which drops exactly the row that table exists to show, a company that is busy this quarter and small overall. * A future date beat every real one in the most-asked tie-break, and a future `addedAt` could lead "Recently published": the same rule the sightings already hold (a mistyped date loses its claim to *recent*) now applies to both. * `free` and `guides` printed `—` at zero. They are counted for every row, so zero is measured and prints `0`; `—` is left to the one column that can genuinely not be measured. * `data/insights.json` did not carry `futureDated`, which the page prints. The fixture's 46 guides all carried one publication date, which made any assertion about newest-first vacuously true — a fixture that cannot tell two orderings apart cannot defend either. Their dates are now spread. Co-Authored-By: Claude Opus 5 <[email protected]> Claude-Session: https://claude.ai/code/session_013Y58Uu9oL6XG7NQBpVj7DM
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All 8 findings verified against the code and fixed in Two of them were the same defect twice, and it is worth naming: The rest:
Each fix has a test that fails without it — verified by reverting all eight in a scratch copy and confirming 8 failures, then restoring. One of those tests was vacuous when written: the fixture's 46 guides all carried a single publication date, so "newest first" could not be distinguished from any other order. Their dates are now spread. 89 tests pass; re-rendered against the production-scale snapshot (2,249 questions, 99 companies) with the byte budgets and the re-render no-op still holding. Generated by Claude Code |
2 participants
What this changes
The repository navigated the catalog and gave a visitor nothing to read, so there was no reason to open it unless you already knew which company you wanted. Four surfaces now carry value of their own, all generated by the existing hourly bot from the same records:
insights/free/guides/by-topic.mdguides/README.mdalso gains a recently published block.experiences//api/v1/interview-experiences.data/insights.jsonanddata/guides.csvare the same material as data. The landing page gains three generated blocks (gen:insights,gen:free,gen:experiences) and links to the new sections from the header.Nothing new is mirrored from the site: this still carries metadata, never bodies. The statistics are computed from that metadata, which is why they exist here and nowhere else — the site has the questions, and the shape of two thousand of them is only visible from the whole set at once.
Rules the new pages hold
Same rules as the rest of the pipeline, applied to numbers:
—, never0%.—), not a quiet quarter (0).dated + undated == total. A future-dated sighting is a mistyped date upstream: counted as dated, excluded from every window and from the earliest/latest pair, and counted out loud on the index.Structure
scripts/insights.pyaggregates (pure: records + a date in, dataclasses out),scripts/report.pyrenders the new pages,scripts/build.pyassembles as before.scripts/sync.pyowns the three new generated directories, so an orphan is pruned like any other.The hourly workflow is unchanged except that the sync summary now rides in the commit body — the bot commits every hour and a log of identical one-line messages says nothing about which hour the bank actually moved in.
Testing
python3 -m unittest discover scripts— 81 tests (21 new), all passing.--snapshot-out→--catalog-file --check) verified with the new records in it.Known limits, recorded in DESIGN.md
guides/by-topic.mddoes not paginate — 69 KB at 334 guides, well inside budget, but a Study section several times today's size would fail the budget check and stop the sync rather than truncate. That is the right failure of the two, and it is a ceiling to raise rather than a bug;guides/README.mdhas carried the same one since it was written.🤖 Generated with Claude Code
https://claude.ai/code/session_013Y58Uu9oL6XG7NQBpVj7DM
Generated by Claude Code
Summary by CodeRabbit
New Features
Documentation