fix(analytics): meta ids not forwarded through checkout

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📥 Commits

Reviewing files that changed from the base of the PR and between acf6a1a and e6081b6.

⛔ Files ignored due to path filters (6)

• js/app/packages/service-clients/service-auth/generated/schemas/checkoutSessionMetadata.ts is excluded by !**/generated/**
• js/app/packages/service-clients/service-auth/generated/schemas/checkoutSessionMetadataFbc.ts is excluded by !**/generated/**
• js/app/packages/service-clients/service-auth/generated/schemas/checkoutSessionMetadataFbp.ts is excluded by !**/generated/**
• js/app/packages/service-clients/service-auth/generated/schemas/checkoutSessionMetadataGaClientId.ts is excluded by !**/generated/**
• js/app/packages/service-clients/service-auth/generated/schemas/createCheckoutSessionRequest.ts is excluded by !**/generated/**
• js/app/packages/service-clients/service-auth/generated/schemas/index.ts is excluded by !**/generated/**

📒 Files selected for processing (1)

• js/app/packages/service-clients/service-auth/openapi.json

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📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Enhanced conversion attribution tracking during checkout. The system now captures additional Meta Pixel identifiers (fbp, fbc) alongside existing tracking data and sends them as consolidated metadata with checkout requests to improve analytics and attribution.

Walkthrough

Moves checkout conversion identifiers into a nested metadata object (containing gaClientId, fbp, fbc) across JS clients, the Rust authentication API request types, and Stripe webhook subscription tracking; updates payload construction, cookie parsing, and propagation of these fields into tracking tasks.

Changes

Cohort / File(s)	Summary
JS: auth & stripe clients js/app/packages/service-clients/service-auth/client.ts, js/app/packages/service-clients/service-stripe/client.ts	createCheckoutSession signature in service-auth now accepts metadata (with gaClientId, fbp, fbc) instead of top-level gaClientId. service-stripe adds getMetaIds() to read _fbp/_fbc cookies and passes { gaClientId, fbp, fbc } as metadata to auth client.
OpenAPI schema js/app/packages/service-clients/service-auth/openapi.json	Added CheckoutSessionMetadata schema (gaClientId, fbp, fbc as `string
Rust: API request types rust/cloud-storage/authentication_service/src/api/user/stripe.rs	Introduced CheckoutSessionMetadata struct (ga_client_id, fbp, fbc optional) and replaced ga_client_id in CreateCheckoutSessionRequest with a metadata field (#[serde(default)]). Server now builds metadata map from req.metadata.
Rust: Stripe webhook handling rust/cloud-storage/authentication_service/src/api/webhooks/user/stripe_webhook.rs	Extracts fbp and fbc from Stripe subscription metadata, includes them in SubscriptionTrackingData, updates logging, and constructs MetaUserData with email, fbp, and fbc before spawning track_stripe_subscription.

Possibly related PRs

• chore: add more logs to stripe webhook #2444: Touches the same stripe_webhook.rs subscription-tracking/task flow and adds logging changes inside that code path.
• chore: add debug logs to stripe webhook #2441: Modifies Stripe webhook subscription handling in the same control flow where fbp/fbc extraction and propagation were added.

🚥 Pre-merge checks | ✅ 1 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	No pull request description was provided by the author. The PR objective indicates this is about fixing analytics by forwarding Meta IDs through checkout, which aligns with the changes shown in the raw summary (adding metadata with fbp, fbc, and gaClientId fields across multiple files).	Add a description explaining the purpose of forwarding Meta IDs through the checkout process and how these changes enable better conversion attribution tracking.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title follows conventional commits format with 'fix:' prefix and clearly summarizes the main change: forwarding Meta IDs through checkout. It is under 72 characters (55 chars).

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[github-actions]

Preview: https://rahul-fix-analytics-forward-me-65a6zh.preview.macro.com/app (1042ea7)