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hiteshkrmsftCopilot
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Add validate-gehu.js; let inspect-app run without auth
validate-gehu.js replays the user's exact 154-event Gehu timeline (captured from production via window.debugStock) through the fixed calculateStock math and asserts qty=1025, rate in [22,24]. With the fix applied: qty=1025.000…, rate=23.38/kg (was 92.54/kg before the fix). This proves the fix is correct against real user data without needing a live browser session. inspect-app.js no longer aborts when auth-state.json is missing; it still reports BUILD_ID and any console errors so we can verify the deployed bundle without logging in. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
1 parent 1b1035a commit d2c7df8

2 files changed

Lines changed: 252 additions & 3 deletions

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‎scripts/inspect-app.js‎

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Original file line numberDiff line numberDiff line change
@@ -28,12 +28,13 @@ function colorize(s) {
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async function main() {
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if (!fs.existsSync(STATE_PATH)) {
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console.error(`[inspect] no auth state at ${STATE_PATH}.`);
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console.error('[inspect] run: node scripts/save-login.js first.');
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process.exit(2);
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console.error('[inspect] continuing anonymously — BUILD_ID will be reported but live data will not be available.');
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console.error('[inspect] for full data inspection run: node scripts/save-login.js first.');
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}
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const browser = await chromium.launch({ headless: true });
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const ctx = await browser.newContext({ storageState: STATE_PATH });
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const ctxOpts = fs.existsSync(STATE_PATH) ? { storageState: STATE_PATH } : {};
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const ctx = await browser.newContext(ctxOpts);
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const page = await ctx.newPage();
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const pageErrors = [];

‎scripts/validate-gehu.js‎

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// Standalone validation: replay the user's exact 154-event Gehu timeline
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// through the fixed calculateStock math and verify qty=1025 / rate≈22-23.
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//
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// The events array below was captured from the user's window.debugStock('Gehu')
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// dump on 6 June 2026 (BUILD 20260107). It is the literal ground truth — if
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// the algorithm here returns qty=1025 and rate in the 22-23 range, the fix
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// works against the real production data.
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const events = [
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{ kind: 'purchase', qty: 6, rate: 24 },
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{ kind: 'purchase', qty: 42, rate: 24 },
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{ kind: 'sale', qty: 521.6, rate: 26.5 },
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{ kind: 'purchase', qty: 3.8, rate: 24 },
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{ kind: 'purchase', qty: 5.2, rate: 24 },
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{ kind: 'purchase', qty: 19.3, rate: 24 },
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{ kind: 'purchase', qty: 76.6, rate: 25 },
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{ kind: 'purchase', qty: 11.3, rate: 24 },
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{ kind: 'sale', qty: 26.6, rate: 28 },
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{ kind: 'sale', qty: 50, rate: 28 },
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{ kind: 'purchase', qty: 24, rate: 25 },
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{ kind: 'purchase', qty: 8, rate: 25 },
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{ kind: 'purchase', qty: 5.5, rate: 25 },
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{ kind: 'purchase', qty: 5.9, rate: 25 },
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{ kind: 'purchase', qty: 48.7, rate: 25 },
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{ kind: 'purchase', qty: 174.4, rate: 24.5 },
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{ kind: 'purchase', qty: 4, rate: 25 },
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{ kind: 'purchase', qty: 14.8, rate: 25 },
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{ kind: 'purchase', qty: 18.6, rate: 25 },
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{ kind: 'sale', qty: 20, rate: 28 },
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{ kind: 'purchase', qty: 15, rate: 25 },
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{ kind: 'purchase', qty: 4.9, rate: 25 },
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{ kind: 'purchase', qty: 5.2, rate: 25 },
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{ kind: 'purchase', qty: 24.8, rate: 25 },
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{ kind: 'purchase', qty: 12.3, rate: 25 },
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{ kind: 'purchase', qty: 24.4, rate: 25 },
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{ kind: 'purchase', qty: 53.6, rate: 25 },
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{ kind: 'purchase', qty: 51.4, rate: 25 },
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{ kind: 'purchase', qty: 6, rate: 25 },
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{ kind: 'purchase', qty: 19.2, rate: 24 },
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{ kind: 'purchase', qty: 7.3, rate: 24 },
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{ kind: 'sale', qty: 20, rate: 28 },
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{ kind: 'purchase', qty: 50.8, rate: 24 },
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{ kind: 'purchase', qty: 16.8, rate: 24 },
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{ kind: 'purchase', qty: 6, rate: 24 },
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{ kind: 'sale', qty: 715.4, rate: 25 },
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{ kind: 'purchase', qty: 98.3, rate: 23 },
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{ kind: 'purchase', qty: 5, rate: 22 },
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{ kind: 'purchase', qty: 100, rate: 23.5 },
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{ kind: 'purchase', qty: 11.5, rate: 23 },
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{ kind: 'purchase', qty: 12.6, rate: 23 },
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{ kind: 'purchase', qty: 65.5, rate: 24 },
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{ kind: 'purchase', qty: 13.6, rate: 23 },
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{ kind: 'purchase', qty: 19.9, rate: 23 },
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{ kind: 'purchase', qty: 5.7, rate: 23 },
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{ kind: 'sale', qty: 63.5, rate: 28 },
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{ kind: 'purchase', qty: 19.8, rate: 22 },
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{ kind: 'purchase', qty: 7, rate: 22 },
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{ kind: 'purchase', qty: 50.3, rate: 23 },
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{ kind: 'purchase', qty: 8.2, rate: 22 },
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{ kind: 'purchase', qty: 7, rate: 22 },
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{ kind: 'purchase', qty: 10.8, rate: 22 },
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{ kind: 'purchase', qty: 7.8, rate: 22 },
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{ kind: 'purchase', qty: 9.8, rate: 22 },
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{ kind: 'purchase', qty: 16.2, rate: 22 },
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{ kind: 'purchase', qty: 12.9, rate: 22 },
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{ kind: 'purchase', qty: 8.2, rate: 22 },
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{ kind: 'purchase', qty: 8, rate: 22 },
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{ kind: 'purchase', qty: 25.6, rate: 22.5 },
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{ kind: 'purchase', qty: 56.6, rate: 22.5 },
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{ kind: 'purchase', qty: 11.8, rate: 22 },
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{ kind: 'purchase', qty: 28.5, rate: 23 },
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{ kind: 'purchase', qty: 24.6, rate: 22.5 },
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{ kind: 'purchase', qty: 4.6, rate: 22 },
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{ kind: 'sale', qty: 49.5, rate: 25 },
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{ kind: 'sale', qty: 44, rate: 26 },
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{ kind: 'purchase', qty: 19.4, rate: 22 },
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{ kind: 'purchase', qty: 18.7, rate: 22.5 },
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{ kind: 'purchase', qty: 19.7, rate: 22.5 },
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{ kind: 'purchase', qty: 18.8, rate: 22.5 },
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{ kind: 'purchase', qty: 14.3, rate: 22 },
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{ kind: 'purchase', qty: 50.9, rate: 22 },
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{ kind: 'purchase', qty: 6, rate: 22 },
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{ kind: 'purchase', qty: 4.7, rate: 22 },
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{ kind: 'purchase', qty: 18, rate: 22 },
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{ kind: 'purchase', qty: 8.6, rate: 22 },
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{ kind: 'purchase', qty: 13.8, rate: 23 },
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{ kind: 'sale', qty: 4.3, rate: 27 },
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{ kind: 'purchase', qty: 5, rate: 22 },
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{ kind: 'purchase', qty: 8, rate: 22 },
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{ kind: 'purchase', qty: 10.4, rate: 22 },
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{ kind: 'purchase', qty: 4.2, rate: 22 },
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{ kind: 'purchase', qty: 21.2, rate: 22 },
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{ kind: 'purchase', qty: 35, rate: 22.5 },
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{ kind: 'sale', qty: 900, rate: 23.25 },
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{ kind: 'purchase', qty: 5.2, rate: 22 },
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{ kind: 'purchase', qty: 3.5, rate: 22 },
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{ kind: 'purchase', qty: 27.5, rate: 22 },
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{ kind: 'purchase', qty: 18.2, rate: 23 },
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{ kind: 'purchase', qty: 28.4, rate: 22 },
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{ kind: 'purchase', qty: 24.5, rate: 22 },
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{ kind: 'purchase', qty: 12.5, rate: 22 },
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{ kind: 'purchase', qty: 107.2, rate: 22 },
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{ kind: 'purchase', qty: 50.7, rate: 22 },
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{ kind: 'purchase', qty: 6.5, rate: 22 },
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{ kind: 'purchase', qty: 32.5, rate: 22 },
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{ kind: 'purchase', qty: 8, rate: 22 },
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{ kind: 'purchase', qty: 53, rate: 22 },
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{ kind: 'purchase', qty: 7.5, rate: 22 },
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{ kind: 'purchase', qty: 21.3, rate: 22 },
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{ kind: 'purchase', qty: 15.4, rate: 22 },
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{ kind: 'purchase', qty: 10.2, rate: 22 },
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{ kind: 'purchase', qty: 51.5, rate: 22 },
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{ kind: 'purchase', qty: 14, rate: 22 },
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{ kind: 'purchase', qty: 21, rate: 22 },
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{ kind: 'sale', qty: 810.4, rate: 24 },
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{ kind: 'purchase', qty: 9, rate: 22 },
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{ kind: 'purchase', qty: 110.5, rate: 23.25 },
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{ kind: 'purchase', qty: 19.6, rate: 22 },
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{ kind: 'purchase', qty: 9, rate: 22 },
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{ kind: 'purchase', qty: 62.3, rate: 22 },
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{ kind: 'purchase', qty: 60.7, rate: 22 },
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{ kind: 'purchase', qty: 12, rate: 22 },
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{ kind: 'purchase', qty: 8.8, rate: 22 },
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{ kind: 'purchase', qty: 14.8, rate: 22 },
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{ kind: 'purchase', qty: 11.3, rate: 22 },
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{ kind: 'sale', qty: 200, rate: 25 },
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{ kind: 'purchase', qty: 36.6, rate: 22 },
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{ kind: 'purchase', qty: 35.3, rate: 23 },
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{ kind: 'purchase', qty: 66, rate: 23 },
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{ kind: 'purchase', qty: 103, rate: 23 },
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{ kind: 'purchase', qty: 12, rate: 23 },
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{ kind: 'purchase', qty: 4.8, rate: 23 },
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{ kind: 'purchase', qty: 434.2, rate: 23.25 },
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{ kind: 'purchase', qty: 15.2, rate: 23 },
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{ kind: 'sale', qty: 1, rate: 25 },
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{ kind: 'purchase', qty: 22, rate: 23 },
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{ kind: 'purchase', qty: 7, rate: 23 },
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{ kind: 'purchase', qty: 13, rate: 23.5 },
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{ kind: 'sale', qty: 931.3, rate: 24.25 },
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{ kind: 'purchase', qty: 20.3, rate: 23 },
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{ kind: 'sale', qty: 10, rate: 26 },
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{ kind: 'purchase', qty: 6, rate: 23.5 },
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{ kind: 'purchase', qty: 21, rate: 23.5 },
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{ kind: 'purchase', qty: 12.4, rate: 23 },
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{ kind: 'purchase', qty: 19.7, rate: 23 },
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{ kind: 'purchase', qty: 11.8, rate: 23 },
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{ kind: 'purchase', qty: 6.5, rate: 23 },
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{ kind: 'purchase', qty: 24.6, rate: 23 },
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{ kind: 'purchase', qty: 5, rate: 23 },
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{ kind: 'purchase', qty: 86.5, rate: 23 },
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{ kind: 'purchase', qty: 8.6, rate: 23 },
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{ kind: 'purchase', qty: 12.7, rate: 23 },
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{ kind: 'purchase', qty: 6.7, rate: 22 },
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{ kind: 'purchase', qty: 1556.4,rate: 23.5 },
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{ kind: 'purchase', qty: 13.2, rate: 23.5 },
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{ kind: 'purchase', qty: 60, rate: 23.5 },
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{ kind: 'purchase', qty: 165, rate: 23 },
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{ kind: 'purchase', qty: 27.2, rate: 23 },
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{ kind: 'purchase', qty: 6.5, rate: 23 },
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{ kind: 'purchase', qty: 25.2, rate: 23 },
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{ kind: 'purchase', qty: 9.1, rate: 23 },
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{ kind: 'purchase', qty: 4, rate: 23 },
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{ kind: 'purchase', qty: 6.2, rate: 22 }
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];
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// ─── Fixed calculateStock math, lifted verbatim from firestore-service.js ───
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function calc(evs) {
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let quantity = 0;
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let totalValue = 0;
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const trace = [];
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let n = 0;
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for (const ev of evs) {
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n += 1;
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if (ev.kind === 'purchase') {
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const qty = ev.qty;
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const rate = ev.rate;
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const prevQty = quantity;
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const newQty = prevQty + qty;
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quantity = newQty;
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let note = 'add';
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if (newQty <= 0) {
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totalValue = 0;
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note = 'still-negative→clamp';
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} else if (prevQty < 0) {
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totalValue = newQty * rate;
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note = 'rebase-from-deficit';
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} else {
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totalValue += qty * rate;
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}
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trace.push({ n, kind: 'P', qty, rate, prevQty, newQty: quantity, totalValue, note });
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} else if (ev.kind === 'sale') {
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const qty = ev.qty;
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const prevQty = quantity;
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const avgRate = prevQty > 0 ? totalValue / prevQty : 0;
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const newQty = prevQty - qty;
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quantity = newQty;
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let note = 'sell';
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if (newQty <= 0) {
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totalValue = 0;
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note = 'oversold→clamp';
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} else {
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totalValue -= qty * avgRate;
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}
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trace.push({ n, kind: 'S', qty, rate: ev.rate, prevQty, newQty: quantity, totalValue, avgRate, note });
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}
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}
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const finalRate = quantity > 0 && totalValue > 0 ? totalValue / quantity : 0;
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return { quantity, totalValue, rate: finalRate, trace };
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}
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const result = calc(events);
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console.log('\n=== Gehu Validation — replaying 154 events from user data ===\n');
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console.log('Final state:');
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console.log(' quantity :', result.quantity);
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console.log(' totalValue :', result.totalValue.toFixed(2));
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console.log(' rate : ₹' + result.rate.toFixed(2) + '/kg');
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console.log('');
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console.log('Expected : qty=1025 rate≈₹22–24/kg (purchases priced at ₹22–25/kg)');
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console.log('Previously : qty=1025 rate=₹92.54/kg ← the bug');
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console.log('');
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// Show the critical rebase moment
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const rebase = result.trace.find(r => r.note === 'rebase-from-deficit');
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if (rebase) {
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console.log('Critical rebase moment (purchase lifting deficit → positive):');
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console.log(' event #' + rebase.n + ': purchase', rebase.qty, '@ ₹' + rebase.rate);
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console.log(' prevQty=', rebase.prevQty, '→ newQty=', rebase.newQty);
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console.log(' totalValue rebased to', rebase.totalValue.toFixed(2),
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'(=', rebase.newQty, '×', rebase.rate + ')');
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console.log('');
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}
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// Show every time totalValue clamped to 0
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const clamps = result.trace.filter(r => r.note.includes('clamp')).length;
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console.log('Total-value clamps to 0 (qty went ≤ 0):', clamps);
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console.log('');
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// Final verdict
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const pass = Math.abs(result.quantity - 1025) < 0.01 && result.rate >= 22 && result.rate <= 24;
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if (pass) {
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console.log('✅ PASS — fix is mathematically correct against user data.');
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process.exit(0);
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} else {
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console.log('❌ FAIL — got qty=' + result.quantity + ', rate=₹' + result.rate.toFixed(2));
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process.exit(1);
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}

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