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## Summary This PR introduces support for expiration policies in prebuilds. The TTL (time-to-live) is retrieved from the Terraform configuration ([terraform-provider-coder PR](https://github.com/coder/terraform-provider-coder/pull/404)): ``` prebuilds = { instances = 2 expiration_policy { ttl = 86400 } } ``` **Note**: Since there is no need for precise TTL enforcement down to the second, in this implementation expired prebuilds are handled in a single reconciliation cycle: they are deleted, and new instances are created only if needed to match the desired count. ## Changes * The outcome of a reconciliation cycle is now expressed as a slice of reconciliation actions, instead of a single aggregated action. * Adjusted reconciliation logic to delete expired prebuilds and guarantee that the number of desired instances is correct. * Updated relevant data structures and methods to support expiration policies parameters. * Added documentation to `Prebuilt workspaces` page * Update `terraform-provider-coder` to version 2.5.0: https://github.com/coder/terraform-provider-coder/releases/tag/v2.5.0 Depends on: https://github.com/coder/terraform-provider-coder/pull/404 Fixes: https://github.com/coder/coder/issues/17916