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feat(ingestion): treat the Freebuff bfcid as a campaign property - #117217
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Freebuff appends a signed click ID, `bfcid`, to ad click URLs. Add it to every service's copy of the campaign property list, next to `oppref`, so ingestion sets `bfcid` and `$initial_bfcid`, the taxonomy labels it, feature flags can target on first touch, and the person property allowlist keeps it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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😎 Stack merged successfully - details. |
🤖 CI report
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| Root | Eager (shipped) | Δ vs base | Budget |
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entry (logged-out pages, app bootstrap)src/index.tsx |
1005.4 KiB · 23 files | no change | █████████░ 85.8% of 1.14 MiB |
logged-out boot: index + App + bootApp (preloaded by every page, including /login)src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts |
2.87 MiB · 606 files | no change | █████████░ 94.6% of 3.03 MiB |
authenticated shell (every logged-in page)src/scenes/AuthenticatedShell.tsx |
7.49 MiB · 2,560 files | 🔺 +275 B (+0.0%) | ██████████ 98.0% of 7.64 MiB |
dashboard scenesrc/scenes/dashboard/Dashboard.tsx |
9.63 MiB · 3,614 files | 🔺 +275 B (+0.0%) | █████████░ 93.5% of 10.30 MiB |
today home pathsrc/scenes/AuthenticatedShell.tsx + src/scenes/project-homepage/ProjectHomepage.tsx + src/scenes/project-homepage/today/TodayHome.tsx |
7.51 MiB · 2,570 files | 🔺 +275 B (+0.0%) | ██████████ 95.3% of 7.89 MiB |
events scenesrc/scenes/activity/explore/EventsScene.tsx |
9.21 MiB · 3,441 files | 🔺 +275 B (+0.0%) | █████████░ 93.3% of 9.88 MiB |
replay detail scenesrc/scenes/session-recordings/detail/SessionRecordingDetail.tsx |
11.95 MiB · 4,288 files | 🔺 +275 B (+0.0%) | ████████░░ 79.4% of 15.05 MiB |
🟢 node_modules/monaco-editor/ stays out of src/index.tsx
🟢 src/lib/components/ActivityLog/describers stays out of src/index.tsx
🟢 node_modules/@posthog/brand/dist/generated/hoggies/svg/ stays out of src/index.tsx
🟢 node_modules/@posthog/brand/dist/generated/hoggies/components/ stays out of src/index.tsx
🟢 node_modules/monaco-editor/ stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/layout/navigation-3000/navigationLogic.tsx stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/scenes/dashboard/dashboardLogic.tsx stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/lib/lemon-ui/LemonMarkdown/ stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/lib/components/RichContentEditor/ stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/lib/components/CodeSnippet/ stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/taxonomy/core-filter-definitions-by-group.json stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 node_modules/zod/ stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/scenes/billing/billingLogic.tsx stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 src/lib/components/ProductEmptyState/productSetupPreloadLogic.ts stays out of src/index.tsx + src/scenes/App.tsx + src/scenes/bootApp.ts
🟢 node_modules/monaco-editor/ stays out of src/scenes/AuthenticatedShell.tsx
🟢 src/lib/components/ActivityLog/describers stays out of src/scenes/AuthenticatedShell.tsx
🟢 products/dashboards/frontend/widgets/previews/ stays out of src/scenes/AuthenticatedShell.tsx
🟢 src/scenes/session-recordings/player/sessionRecordingPlayerLogic.ts stays out of src/scenes/AuthenticatedShell.tsx
🟢 zod/v4/locales/de.js stays out of src/scenes/AuthenticatedShell.tsx
🟢 node_modules/@posthog/brand/dist/generated/hoggies/svg/ stays out of src/scenes/AuthenticatedShell.tsx
🟢 node_modules/@posthog/brand/dist/generated/hoggies/components/ stays out of src/scenes/AuthenticatedShell.tsx
🟢 src/scenes/session-recordings/playlist/SessionRecordingsPlaylist.tsx stays out of src/scenes/dashboard/Dashboard.tsx
🟢 src/scenes/web-analytics/tiles/WebAnalyticsTile.tsx stays out of src/scenes/dashboard/Dashboard.tsx
🟢 src/scenes/project-homepage/ai-first/AiFirstHomepage.tsx stays out of src/scenes/AuthenticatedShell.tsx + src/scenes/project-homepage/ProjectHomepage.tsx + src/scenes/project-homepage/today/TodayHome.tsx
🟢 src/scenes/project-homepage/today/TodayReportPage.tsx stays out of src/scenes/AuthenticatedShell.tsx + src/scenes/project-homepage/ProjectHomepage.tsx + src/scenes/project-homepage/today/TodayHome.tsx
🟢 src/queries/Query/Query.tsx stays out of src/scenes/AuthenticatedShell.tsx + src/scenes/project-homepage/ProjectHomepage.tsx + src/scenes/project-homepage/today/TodayHome.tsx
🟢 src/scenes/session-recordings/playlist/SessionRecordingsPlaylist.tsx stays out of src/scenes/activity/explore/EventsScene.tsx
🟢 src/scenes/web-analytics/tiles/WebAnalyticsTile.tsx stays out of src/scenes/activity/explore/EventsScene.tsx
Largest files eagerly shipped from src/index.tsx
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| 126.8 KiB | ../node_modules/.pnpm/react-dom@18.3.1_react@18.3.1/node_modules/react-dom/cjs/react-dom.production.min.js |
| 105.7 KiB | src/products.tsx |
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| 69.0 KiB | src/lib/lemon-ui/icons/icons.tsx |
| 38.7 KiB | ../node_modules/.pnpm/@dnd-kit+core@6.0.8_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@dnd-kit/core/dist/core.esm.js |
| 33.9 KiB | ../node_modules/.pnpm/kea@4.0.0-pre.6_patch_hash=139b8d1f1304f9d9da452a9a1244c94ea679dbcb85687d8999563146879fb6f5_react@18.3.1/node_modules/kea/lib/index.cjs.js |
| 28.7 KiB | src/scenes/scenes.ts |
| 27.6 KiB | src/lib/constants.tsx |
Largest files eagerly shipped from src/scenes/AuthenticatedShell.tsx
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| 319.8 KiB | ../node_modules/.pnpm/posthog-js@1.438.8_@types+react@18.3.27_react@18.3.1/node_modules/posthog-js/dist/module.mjs |
| 281.1 KiB | src/taxonomy/core-filter-definitions-by-group.json |
| 220.8 KiB | ../node_modules/.pnpm/@posthog+icons@0.38.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js |
| 185.5 KiB | ../packages/quill/packages/quill/dist/index.js |
| 153.7 KiB | ../node_modules/.pnpm/re2js@0.4.1/node_modules/re2js/build/index.esm.js |
| 139.9 KiB | ../packages/quill/packages/primitives/dist/index.js |
| 126.8 KiB | ../node_modules/.pnpm/react-dom@18.3.1_react@18.3.1/node_modules/react-dom/cjs/react-dom.production.min.js |
| 105.7 KiB | src/products.tsx |
| 99.6 KiB | src/lib/api.ts |
| 93.3 KiB | ../node_modules/.pnpm/prosemirror-view@1.40.1/node_modules/prosemirror-view/dist/index.js |
Largest files eagerly shipped from src/scenes/dashboard/Dashboard.tsx
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| 319.8 KiB | ../node_modules/.pnpm/posthog-js@1.438.8_@types+react@18.3.27_react@18.3.1/node_modules/posthog-js/dist/module.mjs |
| 281.1 KiB | src/taxonomy/core-filter-definitions-by-group.json |
| 220.8 KiB | ../node_modules/.pnpm/@posthog+icons@0.38.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js |
| 185.5 KiB | ../packages/quill/packages/quill/dist/index.js |
| 181.9 KiB | src/queries/validators.js |
| 153.7 KiB | ../node_modules/.pnpm/re2js@0.4.1/node_modules/re2js/build/index.esm.js |
| 139.9 KiB | ../packages/quill/packages/primitives/dist/index.js |
| 126.8 KiB | ../node_modules/.pnpm/react-dom@18.3.1_react@18.3.1/node_modules/react-dom/cjs/react-dom.production.min.js |
| 105.7 KiB | src/products.tsx |
| 99.6 KiB | src/lib/api.ts |
Largest files eagerly shipped from src/scenes/AuthenticatedShell.tsx + src/scenes/project-homepage/ProjectHomepage.tsx + src/scenes/project-homepage/today/TodayHome.tsx
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| 319.8 KiB | ../node_modules/.pnpm/posthog-js@1.438.8_@types+react@18.3.27_react@18.3.1/node_modules/posthog-js/dist/module.mjs |
| 281.1 KiB | src/taxonomy/core-filter-definitions-by-group.json |
| 220.8 KiB | ../node_modules/.pnpm/@posthog+icons@0.38.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js |
| 185.5 KiB | ../packages/quill/packages/quill/dist/index.js |
| 153.7 KiB | ../node_modules/.pnpm/re2js@0.4.1/node_modules/re2js/build/index.esm.js |
| 139.9 KiB | ../packages/quill/packages/primitives/dist/index.js |
| 126.8 KiB | ../node_modules/.pnpm/react-dom@18.3.1_react@18.3.1/node_modules/react-dom/cjs/react-dom.production.min.js |
| 105.7 KiB | src/products.tsx |
| 99.6 KiB | src/lib/api.ts |
| 93.3 KiB | ../node_modules/.pnpm/prosemirror-view@1.40.1/node_modules/prosemirror-view/dist/index.js |
Largest files eagerly shipped from src/scenes/activity/explore/EventsScene.tsx
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| 319.8 KiB | ../node_modules/.pnpm/posthog-js@1.438.8_@types+react@18.3.27_react@18.3.1/node_modules/posthog-js/dist/module.mjs |
| 281.1 KiB | src/taxonomy/core-filter-definitions-by-group.json |
| 220.8 KiB | ../node_modules/.pnpm/@posthog+icons@0.38.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js |
| 185.5 KiB | ../packages/quill/packages/quill/dist/index.js |
| 181.9 KiB | src/queries/validators.js |
| 153.7 KiB | ../node_modules/.pnpm/re2js@0.4.1/node_modules/re2js/build/index.esm.js |
| 139.9 KiB | ../packages/quill/packages/primitives/dist/index.js |
| 126.8 KiB | ../node_modules/.pnpm/react-dom@18.3.1_react@18.3.1/node_modules/react-dom/cjs/react-dom.production.min.js |
| 105.7 KiB | src/products.tsx |
| 99.6 KiB | src/lib/api.ts |
Largest files eagerly shipped from src/scenes/session-recordings/detail/SessionRecordingDetail.tsx
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| 319.8 KiB | ../node_modules/.pnpm/posthog-js@1.438.8_@types+react@18.3.27_react@18.3.1/node_modules/posthog-js/dist/module.mjs |
| 316.0 KiB | ../node_modules/.pnpm/posthog-js@1.438.8_@types+react@18.3.27_react@18.3.1/node_modules/posthog-js/dist/rrweb.js |
| 281.1 KiB | src/taxonomy/core-filter-definitions-by-group.json |
| 220.8 KiB | ../node_modules/.pnpm/@posthog+icons@0.38.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js |
| 185.5 KiB | ../packages/quill/packages/quill/dist/index.js |
| 181.9 KiB | src/queries/validators.js |
| 153.7 KiB | ../node_modules/.pnpm/re2js@0.4.1/node_modules/re2js/build/index.esm.js |
| 126.8 KiB | ../node_modules/.pnpm/react-dom@18.3.1_react@18.3.1/node_modules/react-dom/cjs/react-dom.production.min.js |
| 105.7 KiB | src/products.tsx |
| 99.6 KiB | src/lib/api.ts |
Posted automatically by check-eager-graph · sizes are eager output bytes (shipped, post-tree-shake) from the esbuild metafile · part of #32479
✅ Toolbar bundle — eager 2.23 MiB within budget
What the toolbar ships to customer pages, measured from the esbuild output (minified, post-tree-shake). The eager set is the entry plus everything statically imported from it — fetched before any feature runs; deferred chunks load lazily. The eager guardrail is 5.72 MiB. Each output file must also stay below 10 MB, where CloudFront stops compressing it. The module boundary is enforced separately by check-toolbar-graph.
| Metric | Size | Δ vs base | Budget |
|---|---|---|---|
| Eager (shipped) entry + static imports |
2.23 MiB · 19 files | no change | ████░░░░░░ 39.0% of 5.72 MiB |
| Deferred (lazy) | 2.10 MiB · 40 files | 🔺 +275 B (+0.0%) | n/a — loads on demand |
Loader dist/toolbar.js |
1.2 KiB | no change | █░░░░░░░░░ 6.0% of 19.5 KiB |
Largest eagerly-shipped chunks
| Size | File |
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| 874.4 KiB | dist/toolbar/toolbar-app-CJ67DKKN.css |
| 664.0 KiB | dist/toolbar/chunk-chunk-L6DWFRG6.js |
| 257.8 KiB | dist/toolbar/chunk-chunk-IVAG7WAO.js |
| 131.8 KiB | dist/toolbar/chunk-chunk-FDH2IBXT.js |
| 129.6 KiB | dist/toolbar/chunk-chunk-3SJHY2HV.js |
| 74.7 KiB | dist/toolbar/toolbar-app-S65JCOHI.js |
| 69.0 KiB | dist/toolbar/chunk-chunk-TSAL54PB.js |
| 35.6 KiB | dist/toolbar/chunk-chunk-GYJS6WES.js |
| 21.7 KiB | dist/toolbar/chunk-chunk-Z6TKEIXJ.js |
| 6.8 KiB | dist/toolbar/chunk-chunk-DV7IWQNF.js |
Posted automatically by check-toolbar-size · sizes are toolbar output bytes (shipped, post-tree-shake) from the esbuild metafile
✅ Dist folder size — 🔺 +4.5 KiB (+0.0%)
Total size of the built frontend/dist folder (all assets), compared against the base branch.
Total: 1014.03 MiB · 🔺 +4.5 KiB (+0.0%)
✅ Hogbox preview — ready, open the preview
▶ Open the preview
| 🔑 Login | test@posthog.com / 12345678 (demo data) |
| 🧩 Running | this PR's backend and frontend, on the PostHog :master base |
| 🔗 Link | stable across rebuilds: a re-push swaps the box underneath, the URL stays |
| 🔒 Access | tailnet only (PostHog VPN) |
| 🛠️ Admin | inspect & debug state in hogland |
| 💤 Idle | sleeps after ~30 min idle (snapshot to S3, zero node cost) and wakes on your next visit in ~30s, behind a brief "waking up" screen |
commit 369e208 · box box-1df9858e4bbd · ready in 1399s (push → usable) · build log · rebuilds on every push, torn down on close
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Risk: No findings This PR registers the Freebuff Sentinel reviewed |
👀 Auto-assigned reviewersThese soft owners were skipped because they only have minor changes here. Nothing blocks merge, so self-assign if you'd like a look:
Soft owners come from each directory's |
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Approved.
Touches ingestion behavior, with independent current-head assurance reported by the trusted context. No unresolved substantive concerns or other refusal grounds were found.
- PostHog Review (Standard) reviewed the current head: no findings.
Gate mechanics and policy version
| Gate | Result | |
|---|---|---|
| prerequisites | ✓ | all clear |
| deny-list | ✓ | no deny categories matched |
| size | ✓ | 23L, 6F substantive — within ceiling |
| tier | ✓ | T1-agent / T1d-complex (23L, 6F, cross-cutting, feat) |
| stamphog 2.5.1 | .stamphog/policy.yml @ 369e208 · reviewed head 369e208 |
Problem
Freebuff appends a signed click ID,
bfcid, to ad click URLs (https://example.com/?bfcid=bfc_1...). PostHog treats every other network's click ID as a campaign property (gclid,fbclid,msclkid,opprefand more) but not this one. Abfcidthat reaches ingestion today arrives as an ordinary custom property: no latest-touchbfcidor first-touch$initial_bfcidon the person, no taxonomy label, and no first-touch flag targeting.This is the server half. The SDK half is PostHog/posthog-js#5300, which captures the parameter from the URL. It also helps teams that already capture it by hand with
custom_campaign_params: ['bfcid'].Changes
Each service keeps its own copy of the campaign property list, so
bfcidis added to all of them, right afteroppref, the same set of files #103854 touched:nodejs/src/common/persons/person-property-utils.ts: ingestion now writesbfcidto$setand$initial_bfcidto$set_once.posthog/taxonomy/taxonomy.py: the campaign list plus a property definition ("Freebuff Click ID"), sobfcid,$initial_bfcidand the latest-touch form are labelled in filters. The generatedfrontend/src/taxonomy/core-filter-definitions-by-group.jsonis rebuilt from it.rust/personhog-common/src/properties.rs: the event-to-person property allowlist.rust/feature-flags/src/flags/flag_matching_utils.rs: the event property to$initial_mapping used when evaluating flags.rust/property-defs-rs/src/api/v1/constants.rs: the label alias mirror of the Django taxonomy, array size bumped to 246.Deliberately out of scope, the same split as
oppref:$entry_bfcidand$entry_has_bfcidcome from feat(sessions): ship the sessions v3 schema with more ad click ids #104566 (sessions v3 ad IDs), which is stacked on this PR. Channel-type classification is unchanged.ignore_custom_propertiesinposthog/clickhouse/property_groups.py, which is baked into column DDL.products/marketing_analyticsattribution health, which maps click IDs to native ad integrations. Freebuff has none.Reference: Freebuff conversion tracking docs.
How did you test this code?
Test rationale: No new tests. The change is six list entries, and each list is already covered by tests of campaign-property behaviour as a whole (for example the
$initial_gclidassertions inflag_matching_utils.rs). A test per entry would assert the entry, not a behaviour.What ran locally:
posthog/taxonomy/projection.pyrender()and formatted with the lockedoxfmt0.57.0. The JSON diff is the three expectedbfcidentries only.ruff format --checkandruff check(locked 0.15.20) ontaxonomy.py, andrustfmt --checkon the three Rust files.PROPERTY_DEFINITION_ALIASESholds 246 entries, matching the declared size.nodejstest suite was run locally, and the Node file was not run through its prettier config. CI is the check for those.Release status
Docs update
None needed for this PR. The UTM segmentation docs list the auto-captured click IDs and can mention
bfcidonce both halves ship.🤖 Agent context
Autonomy: Human-driven (agent-assisted)
Agent: Claude Code, Claude Opus 5.5
bfcidandfreebufffound nothing.oppref). A repo-wide search for lists that containsccidfound no other non-migration campaign list thatopprefalso lives in.node_modules, so the commit used--no-verifyafter the manual checks above.