feat(import): add CoreHub pricing collector and importer

- coreshub_pricing_lib.go: CoreHub pricing data extraction and parsing
- import_coreshub_pricing.go: importer with dry_run support
- import_coreshub_pricing_test.go: unit tests for importer
- coreshub_pricing_sample.txt: test fixture

scripts/report_state_tracking_test.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+source .env.local 2>/dev/null || true
+source .env 2>/dev/null || true
+source scripts/report_utils.sh
+
+if [[ -z "${DATABASE_URL:-}" ]]; then
+    echo "DATABASE_URL is required"
+    exit 1
+fi
+
+TEST_DATE="2099-01-01"
+cleanup() {
+    psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -c "DELETE FROM report_runs WHERE report_date = DATE '$TEST_DATE'; DELETE FROM daily_report WHERE report_date = DATE '$TEST_DATE';" >/dev/null
+}
+trap cleanup EXIT
+cleanup
+
+track_report_state "$DATABASE_URL" "$TEST_DATE" generated 123 'official summary' 'reports/daily/daily_report_2099-01-01.md' '' scheduled cron true >/dev/null
+
+OFFICIAL_ROW="$(psql "$DATABASE_URL" -Atqc "SELECT status || '|' || run_kind || '|' || trigger_source || '|' || is_official_daily::text FROM daily_report WHERE report_date = DATE '$TEST_DATE';")"
+[[ "$OFFICIAL_ROW" == "generated|scheduled|cron|true" ]]
+
+OFFICIAL_RUN_COUNT="$(psql "$DATABASE_URL" -Atqc "SELECT count(*) FROM report_runs WHERE report_date = DATE '$TEST_DATE';")"
+[[ "$OFFICIAL_RUN_COUNT" == "1" ]]
+
+track_report_state "$DATABASE_URL" "$TEST_DATE" failed '' '' '' 'manual failed' manual pipeline false >/dev/null
+
+MANUAL_ROW="$(psql "$DATABASE_URL" -Atqc "SELECT status || '|' || run_kind || '|' || trigger_source || '|' || is_official_daily::text FROM daily_report WHERE report_date = DATE '$TEST_DATE';")"
+[[ "$MANUAL_ROW" == "generated|scheduled|cron|true" ]]
+
+RUN_ROWS="$(psql "$DATABASE_URL" -Atqc "SELECT string_agg(status || '|' || run_kind || '|' || trigger_source || '|' || is_official_daily::text, E'\n' ORDER BY id) FROM report_runs WHERE report_date = DATE '$TEST_DATE';")"
+EXPECTED_ROWS=$'generated|scheduled|cron|true\nfailed|manual|pipeline|false'
+[[ "$RUN_ROWS" == "$EXPECTED_ROWS" ]]
+
+echo "report_state_tracking_test: PASS"