feat(rmi): sync curated rmi skills bundle (sep 2026)

[n0531m]

Summary

This PR synchronizes the curated Roads Management Insights (RMI) Agentic Skills Suite (roads_management_insights/.agents/skills) with the latest developments from the skills monorepo for September 2026.

📦 Key Highlights & Updates

1. Analytical Engine & BQML Time-Series Expansion (rmi-sql):

   • Added native BQML time-series queries for structural shift detection (ML.DETECT_CHANGE_POINTS), secular trend extraction (ML.TREND), and diurnal/day-of-week cyclic decomposition (ML.SEASONALITY).
   • Expanded SQL samples catalog (39 queries) and synchronized Data_Scientist_Samples.ipynb.
   • Updated metric formulas, column descriptions, and sample dataset baseline statistics.

2. APIs & Core Foundations Alignment:

   • api-analyticshub: Added analyticshub_v1.sh CRUD operations for listing and exchange management, paginated listing helpers, and updated discovery client.
   • api-geminidataanalytics: Added GA v1, v1beta, and v1alpha clients, request payload constructors, and asynchronous patch support for Data Agents.
   • api-roadsselection: Added ambient TypeScript runtime declarations and aligned example workflows.
   • api-roads-v1: Added roads_v1_helpers.sh payload and URL parameter constructors alongside roads_v1.sh.
   • api-routes: Refined routes_v2_helpers.sh and intermediate waypoint parameters.
   • bigquery-geospatial & bigquery-practices: Updated storage optimization standards, partition pruning, and spatial analysis documentation.

3. Route Operations & Data Specifications:

   • rmi-routesetting: Refined route registration runbooks and waypoint selection strategies.
   • rmi-sampledatasets: Synchronized authoritative catalog for all 10 GA metropolitan datasets.
   • rmi-data-foundation-bigquery, rmi-data-realtime-bigquery, rmi-data-realtime-pubsub: Synchronized base schema definitions, SRI buffer guidance, and Pub/Sub stream simulator scripts.
   • rmi-dataagent-helper: Enriched persona instructions, grounding rules, and BigQuery Admin prompt templates.
   • rmi-dataviz: Expanded map styling, Deck.gl visualizers, and spatial dashboard guidelines.

4. Catalog & Manifest Sync:

   • Updated .bundle-manifest.json with September 2026 publication timestamp.
   • Refreshed .agents/skills/README.md catalog descriptions.

Verification

• BigQuery Dry-Run Validation: 39/39 passed syntax and semantic checks.
• 3-Tier Testing Architecture: Passed Unit, Integration, and Agentic evaluations across all constituent skills in the monorepo.