Weatherreporter Operations

Normal Workflow

The implemented generation workflows are:

weatherreporter generate daily --date 2026-05-29
weatherreporter generate tomorrow
weatherreporter generate three-day
weatherreporter run evening

These commands fetch weather data, build a briefing for the resolved valid period, build the prompt input data package, run scriptorium render, run scriptorium run, and write inspectable artifacts under the configured workspace. The evening run resolves only the Tomorrow Planning Brief. The morning run can generate Daily Today and the 3-Day Outlook when the resolved batch does not include an unsupported report type.

Filesystem Layout

The default workspace root is workspace.

workspace/
  snapshots/
    daily/
      YYYY-MM-DD/
        <run_id>.briefing.json
        <run_id>.metadata.json
    three-day/
      YYYY-MM-DD/
        <run_id>.briefing.json
        <run_id>.metadata.json
  data-packages/
    daily/
      YYYY-MM-DD/
        <run_id>.data_package.json
    three-day/
      YYYY-MM-DD/
        <run_id>.data_package.json
  preflight/
    daily/
      YYYY-MM-DD/
        <run_id>.render.json
    three-day/
      YYYY-MM-DD/
        <run_id>.render.json
  reports/
    daily/
      <run_id>.md
    three-day/
      <run_id>.md

The Markdown report is written to a RunID-managed report path. When --out is provided to generate daily, generate tomorrow, or generate three-day, the managed report is also copied to that path.

Run Identifiers

Run IDs are based on generation time plus report ID, such as:

20260529T100000.123456789Z_daily_today

Managed artifact filenames use the RunID so repeated runs for the same valid date do not overwrite each other.

Metadata

Each generated report writes metadata that links:

RunID
report ID and prompt ID
generation time and valid period
source location, source hashes, and source warnings
briefing snapshot path
prompt input data package path
preflight output path
rendered report path

Recent Changes

When a prior comparable Daily briefing snapshot exists for the same valid local date, the app compares structured briefing data before writing the prompt input data package. Daily Today and Daily Tomorrow can compare with each other when they cover the same valid local date. Meaningful changes are included under recentChanges.items.

3-Day Outlook generation compares against a prior compatible 3-Day briefing snapshot for the same valid local date when one exists.

When no prior comparable snapshot exists, or no configured threshold is crossed, the Recent Changes list is empty.

Recovery

If render preflight exits nonzero after producing a result, the captured stdout, stderr, exit code, and command are still written to the preflight artifact, and metadata is still written for inspection.

If scriptorium run exits nonzero after writing a report, the generated report and metadata remain available for inspection. Exit code 2 is still returned as an error because it indicates validation failed, even if report output exists.

The application does not currently implement resume, cleanup, archive, or remote storage behavior.

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