Require explicit data setup option

data-setup/README.md

@@ -49,13 +49,27 @@ _local/reports/           # comparison reports
 
 ## Commands
 
-Check setup without downloading or rebuilding:
+Run the setup script with one explicit option:
+
+```bash
+bash data-setup/run_data_setup.sh <option>
+```
+
+Available options:
+
+- `--dry-run` — check setup scripts only.
+- `--download-only` — download script-accessible sources.
+- `--build-test` — rebuild model-ready inputs from existing local sources.
+- `--compare` — compare regenerated inputs with committed `data/` inputs.
+- `--full-test` — download, rebuild, and compare locally.
+
+Minimal check:
 
 ```bash
 bash data-setup/run_data_setup.sh --dry-run
 ```
 
-Download all script-accessible sources. Manifesto requires an API key; V-Party requires an email for the provider form:
+Download sources:
 
 ```bash
 bash data-setup/run_data_setup.sh --download-only
@@ -82,19 +96,19 @@ Morgan is not a public provider download. The local OCR/transcription file can b
 _local/raw/morgan/morgan_positions_raw.csv
 ```
 
-Rebuild model-ready inputs after placing all required local files:
+Rebuild model-ready inputs:
 
 ```bash
 bash data-setup/run_data_setup.sh --build-test
 ```
 
-Compare regenerated inputs with the committed inputs:
+Compare regenerated inputs:
 
 ```bash
 bash data-setup/run_data_setup.sh --compare
 ```
 
-Run the full local test sequence — source downloads, raw-file preflight, local rebuild, and comparison — after setting required environment variables and placing Morgan locally:
+Full local source test:
 
 ```bash
 bash data-setup/run_data_setup.sh --full-test