Define Customer.io page targets for Desktop surfaces

[benceruleanlu]

Behavior

Rename the in-ComfyUI Customer.io page to desktop/comfyui and make the page an explicit main-process session field. Reserve desktop/launcher in the shared contract so the two surfaces can be targeted independently by Customer.io page rules. This layer defines the contract; launcher activation is a subsequent stack change.

The SDK reports the supplied synthetic page and drops stale page events for a different surface. Local paths, query strings, and referrers remain excluded from page properties.

Validation

12 focused eligibility/controller tests passed. The built-preload Electron fixture passed with the real SDK, including page matching, message display/dismissal, held-request consent revocation, account switching, and URL-field privacy. Required pre-commit typechecks, lint, and formatting passed.

No live campaign or packaged release validation was performed for this layer.

Change breakdown

Changed lines = additions + deletions. No merge-only changes.

Category	Files	Added	Deleted	Share of changed lines
Documentation	1	1	1	4.7%
Test code	2	8	4	27.9%
Product code	4	19	10	67.4%
Total	7	28	15	100%

Documentation paths

• docs/customerio-messaging.md

Test code paths

• e2e/customerio.test.ts
• src/renderer/src/customerIo/controller.test.ts

Product code paths

• src/main/lib/customerIoMessaging.ts
• src/renderer/src/customerIo/controller.ts
• src/renderer/src/customerIo/index.ts
• src/shared/customerIo.ts

No generated or vendored files changed.

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