fix(data-api): port neuron_daily-history handlers to Postgres#4838
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Tier 2b of #4832: handleValidatorHistory, handleNeuronHistory, handleSubnetHistory, handleSubnetConcentrationHistory, handleSubnetPerformanceHistory, handleSubnetYieldHistory, handleChainTurnover, handleSubnetTurnover, and handleSubnetMovers were still D1-only. Adds the matching 9 routes to the data Worker and wires tryPostgresTier into each handler. The boundary-snapshot routes (chain/subnet turnover, movers) translate SQLite's date(MAX(snapshot_date), '-N days') to Postgres's native `MAX(snapshot_date) - N::int` (DATE arithmetic). snapshot_date is cast to ::text on every read since postgres.js parses DATE columns to JS Date objects by default, which would break the pure builders' string equality comparisons against D1's plain YYYY-MM-DD rows. validator_permit is BOOLEAN in Postgres (vs D1's 0/1 integer), so the two routes that SUM() it cast to ::int first (SUM(boolean) is a Postgres type error). Exports a few previously-private WINDOWS/DEFAULT_WINDOW constants and turnoverChangeDetail from src/concentration.mjs, subnet-performance.mjs, subnet-yield.mjs, and turnover.mjs so the Postgres routes can mirror their D1 siblings' window handling exactly. Refs #4832
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4838 +/- ##
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+ Coverage 97.76% 97.77% +0.01%
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Files 162 162
Lines 19038 19124 +86
Branches 7141 7185 +44
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+ Hits 18613 18699 +86
Misses 59 59
Partials 366 366
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Summary
neuron_daily-derived handlers to the Postgres tier —handleValidatorHistory,handleNeuronHistory,handleSubnetHistory,handleSubnetConcentrationHistory,handleSubnetPerformanceHistory,handleSubnetYieldHistory,handleChainTurnover,handleSubnetTurnover,handleSubnetMovers.date(MAX(snapshot_date), '-N days')boundary-anchoring (used by chain/subnet turnover and movers) to Postgres's nativeMAX(snapshot_date) - N::intDATE arithmetic.snapshot_dateto::text— postgres.js parsesDATEcolumns to JSDateobjects by default, which would silently break the pure builders'row.snapshot_date === startDatestring-equality comparisons.validator_permitto::intin the twoSUM(validator_permit)aggregate queries — it'sBOOLEANin Postgres (vs D1's 0/1 integer), andSUM(boolean)is a Postgres type error.*_WINDOWS/DEFAULT_*_WINDOWconstants andturnoverChangeDetailfromsrc/concentration.mjs,src/subnet-performance.mjs,src/subnet-yield.mjs,src/turnover.mjsso the Postgres routes mirror their D1 siblings' window handling exactly.Test plan
npx vitest run tests/data-api.test.mjs tests/request-handlers-entities.test.mjs— 186 + 488 tests pass (21 new data-api route tests covering happy path + window-fallback + cold-store branches; 18 new entities wiring tests for postgres-wins/falls-back-to-D1)npx vitest run(full repo) — 259 files / 7369 tests passnpm run lint/npx prettier --checkon touched files — cleannpm run scan:public-safety— cleannpm run test:coverage+ manualcodecov/patch-style branch-coverage isolation on the diff (cross-referenced againstgit diff origin/main -U0added-line ranges) — every uncovered branch confirmed pre-existing/outside the patchThis closes out #4832's full scope (Tier 1a/1b/1c + Tier 2a/2b) — every D1-only handler flagged in the umbrella issue now has a Postgres tier with fallback.
Refs #4832