fix: Surveys 2.0 native fixes

[boehlerlukas]

Surveys 2.0: native iOS fixes

Surveys 2.0 already render in released iOS SDKs, because the survey UI is the Messenger-App web view. This PR fixes what only the native side can:

• feedbackSent: and outboundSent: fire for 2.0 completions;
• server-triggered surveys keep their resume data;
• the card survey dims evenly while the keyboard is up;
• a survey reopened in the same app session keeps its answers so far.

No public API changes and no version bump; the synced SDK release comes later. No wrapper changes are needed, because Flutter, React Native and Capacitor keep forwarding the same delegate callbacks.

Head at time of writing: ce1daf4 (4 commits). Program overview, master rollout and risks: https://github.com/GleapSDK/Server/pull/2011. Pairs with https://github.com/GleapSDK/Messenger-App/pull/238 and GleapSDK/Android-SDK#44.

Scope

1. outboundSent: / feedbackSent: fire for v2 surveys.
   • The messenger saves v2 answers itself and reports completion as notify-event outbound-sent. The SDK used to handle only flow-started.
   • GleapFrameManagerViewController now calls feedbackSent: with {formData: <answers by key>, type: "SURVEY"}, the shape GleapFeedback reports a sent legacy survey in.
   • outboundSent: gets outboundId, outbound and formData plus surveyId, responseId, endingId and status: "completed".
   • It tracks outbound-<id>-submitted like a legacy survey, and reports a response once per app session even if the page reports it again.
   • config-update announces surveyCallbacks: true.
   • survey-shown/-answered/-completed/-closed/-legacy, sheet-viewport and height-update are accepted as explicit no-ops.
2. Server-triggered surveys keep their data.
   • GleapEventLogHelper parseUpdate: (ping and WebSocket actions) used to pass only flow and format. start-survey now carries resume, resumeData (= action.data when resuming) and outboundAction (= action._id || action.id), like the JS SDK.
   • A missing format no longer crashes the start: the dictionary literal no longer gets nil, and the format defaults to survey.
   • Banner and modal show-survey actions are unchanged.
3. Card survey keyboard scrim. While the keyboard is up, WebKit scrolls the focused field into view, and the uncovered strip showed the app undimmed under the translucent keyboard.
   • A scrim rgba(10,12,16,0.25) behind the web view follows the keyboard frame and its animation curve.
   • It covers only the keyboard's part, so nothing is dimmed twice.
4. One non-persistent store per app session. GleapWebViewSupport created a fresh nonPersistentDataStore per web view, so a survey reopened in the same session lost its localStorage.
   • All web views now share one private store, still with nothing on disk.
   • The store is replaced when the session's gleapId changes (identity cleared, another user), so drafts never reach the next user. A test covers this.

(Items 3, 4 and 6 of the program are Android-only, see Android-SDK#44.)

Old SDKs (7.0–19.1) without this PR: the messenger sends them one legacy send-feedback after a v2 completion (Messenger-App 795b738). The Server answers it with 201 and stores nothing (Server ed8744886), so their feedbackSent: / outboundSent: and the submitted event fire too.

Risk and safety

• Behaviour change for apps already on a new SDK:
  • feedbackSent: now fires once per 2.0 completion, as it did for legacy surveys.
  • Callback answer values are 2.0 values (rating 1..5, priority as a choice id). Migrated surveys keep the legacy field names.
• The private store is shared within an app session. The gleapId reset is what keeps one user's survey state from the next; it is covered by a test.
• Tests: xcodebuild test -scheme Gleap on the iPhone 17 simulator (what .github/scripts/test.sh runs): 125 tests, 0 failures, re-run on 2026-10-07 at ce1daf4 (level with main, nothing to merge). That includes the new testWebViewsShareTheirStoreUntilTheGleapUserChanges. No new warnings in the touched files. (swift build alone targets macOS, which this UIKit package does not support.)
• Verified on the iPhone 17 Pro simulator against the local Surveys 2.0 stack (live v2 survey, delegate logging). This branch and released 19.1.0 each fire widgetOpened → feedbackFlowStarted → feedbackSent + outboundSent once → widgetClosed, with no ticket created and one survey response each. Message shapes were checked against Messenger-App#238 and the JS SDK.
• Not yet checked: the keyboard scrim on a real device, and callbacks against staging. Both are to do in the release pass.

Rollout (this repo)

This PR is independent of the web rollout: released SDKs keep working through the Server ack. Release it with the next synced native SDK version (iOS, Android, then Flutter, React Native and Capacitor through the sdk-release flow) after Server#2011 and Messenger-App#238 are live. Merge together with Android-SDK#44. Master checklist: https://github.com/GleapSDK/Server/pull/2011.

Surveys 2.0 PRs

• Server: https://github.com/GleapSDK/Server/pull/2011 (master rollout)
• Messenger-App: https://github.com/GleapSDK/Messenger-App/pull/238
• Frontend: https://github.com/GleapSDK/Frontend/pull/2221
• JavaScript-SDK: feat: Surveys 2.0 JavaScript-SDK#168
• HelpCenterApp: https://github.com/GleapSDK/HelpCenterApp/pull/106
• MCP-server: https://github.com/GleapSDK/MCP-server/pull/69
• gleap-api-docs: https://github.com/GleapSDK/gleap-api-docs/pull/57
• Gleap-iOS-SDK: fix: Surveys 2.0 native fixes #48 (this PR)
• Android-SDK: fix: Surveys 2.0 native fixes Android-SDK#44
• OpenSearch-Sync: https://github.com/GleapSDK/OpenSearch-Sync/pull/35
• gleap-website: https://github.com/GleapSDK/gleap-website/pull/138

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