30 lines
1.6 KiB
Markdown
30 lines
1.6 KiB
Markdown
# Prepared Report Internals
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`internal/app` validates the report's generated-text catalog binding during
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prompt inspection, before collection, and carries the resulting handler into
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`preparedReport` construction after collection. This is the immutable boundary
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shared by ordinary report generation and profile comparison; it is not a
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durable artifact.
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Preparation first establishes one `PreparedIdentity` for the report run, report
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and prompt IDs, variant, generation time, units, timezone, valid period,
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location, and source warnings. It passes that identity to the configured module
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snapshot, curated prompt-input package, serialized YAML, generated-text render
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context, and generated-text definition. Each boundary projects only the fields
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it needs from that prepared authority.
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Preparation deep-copies mutable facts, snapshots, identity, and data-package
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bytes before returning them. Consumers receive independent copies so one
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execution cannot change another's input or rendering context.
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Single-report generation executes one prepared profile and publishes its
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Markdown. Comparison prepares once, gives every selected profile the same YAML
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bytes, and only then assembles the resulting logical bundle. The prompt-input
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shape is owned by [prompt-input internals](prompt-input.md); profile execution
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semantics are owned by [Promptkit integration](../integrations/promptkit.md).
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Catalog incompatibility stops prompt inspection before weather collection or
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model work. Preparation failure has no publication side effects. Tests for this
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boundary cover catalog-preflight ordering, mutation isolation, byte equality,
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and reuse by both execution paths.
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