feat: add isReplay to run context

[devin-ai-integration]

Summary

Adds isReplay boolean to the run context (ctx.run.isReplay), following the same pattern as the existing isTest. The value is derived from the existing replayedFromTaskRunFriendlyId database field, so no schema migration is needed.

✅ Checklist

• I have followed every step in the contributing guide
• The PR title follows the convention.
• I ran and tested the code works

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Testing

• Verified @trigger.dev/core builds successfully
• Verified webapp typechecks successfully
• All new fields use default(false) for backwards compatibility

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Changelog

• Added isReplay to TaskRun and V3TaskRun schemas in common.ts
• Added RUN_IS_REPLAY semantic attribute and wired it in taskContext
• Propagated isReplay through the dequeue system, run attempt system, and all execution context construction paths (V1 + V2)
• Added isReplay to DequeuedMessage and TaskRunExecutionLazyAttemptPayload schemas
• Added patch changeset for @trigger.dev/core
• Updated docs: added isReplay to context reference, added "Detecting replays" section to replaying page

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💯

Link to Devin session: https://app.devin.ai/sessions/1d6f1b3cc39a4623b72d05bf00f2d70c

[changeset-bot]

🦋 Changeset detected

Latest commit: c64b9d6

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 29 packages

Name	Type
@trigger.dev/core	Patch
@trigger.dev/build	Patch
trigger.dev	Patch
@trigger.dev/python	Patch
@trigger.dev/redis-worker	Patch
@trigger.dev/schema-to-json	Patch
@trigger.dev/sdk	Patch
@internal/cache	Patch
@internal/clickhouse	Patch
@internal/llm-model-catalog	Patch
@internal/redis	Patch
@internal/replication	Patch
@internal/run-engine	Patch
@internal/schedule-engine	Patch
@internal/testcontainers	Patch
@internal/tracing	Patch
@internal/tsql	Patch
@internal/zod-worker	Patch
d3-chat	Patch
references-d3-openai-agents	Patch
references-nextjs-realtime	Patch
references-realtime-hooks-test	Patch
references-realtime-streams	Patch
references-telemetry	Patch
@internal/sdk-compat-tests	Patch
@trigger.dev/react-hooks	Patch
@trigger.dev/rsc	Patch
@trigger.dev/database	Patch
@trigger.dev/otlp-importer	Patch

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[devin-ai-integration]

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[nicktrn]

ready