TS strict (3/3): runtime model/form/service changes + enable strict mode - #3688
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Mechanical null-safety: nullish-coalescing defaults, optional chaining,
{#if} render guards, and generics-driven refactors. Behavior-preserving.
Rebased onto main after the base PR (#3686) merged.
WorkflowExecution optional fields (with their snapshot tests), schedule-form zod default seeding, standalone-activity retry fields as strings coerced at the boundary, duration-input defaults, and requestFromAPI's Promise<T | undefined>.
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Fold the strict: true flip + Danger warn->fail into this PR. The standalone-activity form's superForm types only resolve correctly under strictNullChecks, so the behavior changes can't type-check on a strict:false main — the flag must land with them. Supersedes the separate flag PR (#3640).
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July 17, 2026 21:55
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Awesome. I was able to go through each runtime change and see why it's safe or that its covered by a test etc. Good stuff 👍
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Auto-generated version bump from 2.52.1 to 2.53.0 Bump type: minor Changes included: - [`b1602800`](b160280) Make serverless worker Terraform template configurable (COM-216) (#3671) - [`d1ec2795`](d1ec279) Support markdown tables in Workflow details (#3673) - [`5eae94c7`](5eae94c) Show IANA region names in schedule timezone picker (DT-4250) (#3668) - [`f454220c`](f454220) fix(DT-4269): namespace selector tooltip overflow (#3676) - [`b563bfff`](b563bff) Update format of Execution Duration (#3677) - [`17f6d7a7`](17f6d7a) Add download json button to Standalone Activities table (#3675) - [`6f45cc07`](6f45cc0) Migrate old column labels (#3678) - [`af5c9408`](af5c940) Update to use formatDurationAbbreviated (#3679) - [`066a662c`](066a662) feat(timeline): HTML virtualization + collapse idle time (#3627) - [`eee96c60`](eee96c6) Update empty state for Standalone Activities (#3681) - [`51164cb4`](51164cb) [COM-193] Lock compute provider for new deployment versions (#3674) - [`0b700a38`](0b700a3) refactor: add es-toolkit (#3652) - [`bf4ee86f`](bf4ee86) chore(proto): add local @temporalio/proto codegen tooling (#3684) - [`892163b2`](892163b) TS strict (1/4): type annotations and dead-code cleanup (#3686) - [`b06e30e7`](b06e30e) Fix live timeline refresh for completed event groups (#3689) - [`51f04f87`](51f04f8) TS strict (2/4): strictNullChecks null-safety guards (#3687) - [`41dfc531`](41dfc53) Shared SavedViews component updates (#3670) - [`ee6348b1`](ee6348b) Fix max height for paginated table in saved query views (#3691) - [`60e4b6c0`](60e4b6c) TS strict (3/3): runtime model/form/service changes + enable strict mode (#3688) - [`ddde6e70`](ddde6e7) Activity commands for Standalone Activities (#3564) - [`40baeae6`](40baeae) Associate Combobox hints with form fields (#3667) - [`9940a389`](9940a38) Start delay for standalone activities (#3650) - [`02aa74e9`](02aa74e) Add ExecutionTime search attribute for standalone activities (#3666) - [`c84732e3`](c84732e) Fix TypeError in workflow JSON navigator on empty events (#3696) - [`839bc0d5`](839bc0d) [DT-4154] Add Cloud Run replica scaling controls (#3694) - [`32a49e4b`](32a49e4) fix(events): reflect pending-activity commands without reload (#3693) - [`9f8ddee6`](9f8ddee) Add Batch Operations to Standalone Activities (#3695) - [`d2eb9444`](d2eb944) Use standaloneActivityOperatorCommands ns capability check (#3698) - [`ea731e45`](ea731e4) Fix state unsafe mutation error in EndTimeInterval (#3715) - [`7a081c88`](7a081c8) Update holocene empty-state to runes syntax (#3701) - [`9693355c`](9693355) Update holocene navigation-item to runes syntax (#3702) - [`1b5b267e`](1b5b267) Update holocene table to runes syntax (#3711) - [`e418bdbb`](e418bdb) Update holocene navigation-badge to runes syntax (#3703) - [`4f45e370`](4f45e37) Remove unused compatibility-badge component (#3704) - [`596740cd`](596740c) Update holocene navigation-button to runes syntax (#3705) - [`9ac2f525`](9ac2f52) Remove unused expandable/button component (#3706) - [`240561dc`](240561d) Update holocene copyable/button to runes syntax (#3707) - [`4fc08c48`](4fc08c4) Update holocene radio-input and radio-card to runes syntax (#3708) - [`d6e839f7`](d6e839f) Update holocene table-row and table-header-row to runes syntax (#3710) - [`99a9ff71`](99a9ff7) fix: surgical security upgrades for Dependabot alerts (#3709) - [`9b105b47`](9b105b4) fix(serverless-workers): interpolate form values into Terraform snippet (COM-216) (#3716) - [`d126ea8a`](d126ea8) Fix deployment connection validation status refresh (#3718) - [`f0edfbd7`](f0edfbd) [DT-4296] Add Terraform setup instructions to the GCP Cloud Run deployment form (#3700) - [`38453f90`](38453f9) Fix event id param (#3745) - [`bc70844a`](bc70844) Add runes button component (strangler migration, part 1) (#3727) - [`a559c6fe`](a559c6f) Migrate app-level button consumers to runes button (#3728) - [`3a7eaa19`](3a7eaa1) Migrate holocene-internal button renderers and stories to runes button (#3729) - [`5a72155d`](5a72155) Migrate icon-button to runes with onclick prop (#3730) - [`08654d88`](08654d8) Migrate split-button to runes with onclick prop (#3731) - [`40ae4943`](40ae494) Migrate toggle-button to runes button (part 6) (#3732) - [`9fc25bca`](9fc25bc) Finalize button migration: delete legacy, rename runes button (#3733) - [`7ce3f72f`](7ce3f72) Bump API to v1.63.4 (#3723) Co-authored-by: laurakwhit <15069288+laurakwhit@users.noreply.github.com>
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Final PR of the strict-mode split (base #3686 and mechanical #3687 already merged).
Contains the genuine runtime-affecting changes and the
strict: trueflip, because they're coupled: the standalone-activity form's superForm types only resolve correctly understrictNullChecks, so this code can't type-check on astrict: falsemain — the flag has to land together with it. (Supersedes the separate flag PR #3640, now closed.)Promise<T | undefined>strict: trueintsconfig.jsonVerified:
svelte-checkreports 0 errors under strict on this branch.