docs: sync from help-docs (source of truth) — full, incl. reconciled + corrections

Regenerated from help-docs docs/code (branch docs/reconcile-both-changed).
Includes the reconciled both-changed files plus post-review corrections:
- quickstart-new: telemetry link -> reference/telemetry.md and canonical
  ALTIMATE_TELEMETRY_DISABLED=true (was OPENCODE_DISABLE_TELEMETRY=1)
- stranded closing double-quotes joined onto their value line (front matter,
  fenced YAML examples, CLI output)
- providers.md Cortex prompt-caching + refreshed model catalog
- llms.txt kept on absolute help.altimate.ai URLs
nav regenerated from help-docs (section prefix stripped).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011fcN8kPwzjDeBysYUzKfJU

Author: saravmajestic

docs/docs/configure/acp.md

@@ -1,3 +1,8 @@
+---
+title: ACP (Agent Communication Protocol) Support
+description: "Use Altimate Code with the Agent Communication Protocol (ACP) for interoperability with other AI agents and editor integrations."
+---
+
 # ACP Support
 
 altimate implements the Agent Communication Protocol (ACP), allowing it to act as a backend for editors and IDEs.

docs/docs/configure/agents.md

@@ -1,3 +1,8 @@
+---
+title: Agent Modes — Builder, Analyst, Plan
+description: "Altimate Code ships three AI agent personas — Builder, Analyst, and Plan — each with different tool access levels and use cases."
+---
+
 # Agents
 
 Agents define different AI personas with specific models, prompts, permissions, and capabilities.
@@ -95,7 +100,7 @@ Create agents as markdown files in `.altimate-code/agents/`:
 ---
 name: cost-reviewer
 model: anthropic/claude-sonnet-4-6
-description: Reviews queries for cost efficiency
+description: "Reviews queries for cost efficiency"
 ---
 
 You are a Snowflake cost optimization expert. For every query:

docs/docs/configure/bedrock-custom-endpoints.md

@@ -1,3 +1,8 @@
+---
+title: Amazon Bedrock Custom Endpoints — Altimate Code
+description: "Configure Altimate Code to use a custom Amazon Bedrock endpoint, API gateway, or proxy for your LLM calls."
+---
+
 # Amazon Bedrock Custom Endpoints
 
 This guide covers using Altimate Code with a custom Amazon Bedrock endpoint — such as a corporate API gateway, reverse proxy, or VPC endpoint that sits in front of Bedrock.

docs/docs/configure/commands.md

@@ -1,3 +1,8 @@
+---
+title: Built-in Slash Commands — Altimate Code
+description: "Reference for all built-in slash commands in Altimate Code: /init, /discover, /review, /feedback, /configure-claude, and /configure-codex."
+---
+
 # Commands
 
 ## Built-in Commands
@@ -95,7 +100,7 @@ Create markdown files in `.altimate-code/commands/`:
 ```markdown
 ---
 name: review
-description: Review SQL for anti-patterns and best practices
+description: "Review SQL for anti-patterns and best practices"
 ---
 
 Review the following SQL file for:

docs/docs/configure/config.md

@@ -1,3 +1,8 @@
+---
+title: Config File Reference — Altimate Code
+description: "JSON and JSONC configuration file locations, priority order, and all available settings for Altimate Code."
+---
+
 # Configuration
 
 altimate uses JSON (or JSONC) configuration files. The config file is named `altimate-code.json` or `altimate-code.jsonc`.

docs/docs/configure/context-management.md

@@ -1,3 +1,8 @@
+---
+title: Context Management — Altimate Code
+description: "How Altimate Code automatically manages conversation context to stay within model limits using pruning and compacting."
+---
+
 # Context Management
 
 altimate automatically manages conversation context so you can work through long sessions without hitting model limits. When a conversation grows large, the CLI summarizes older messages, prunes stale tool outputs, and recovers from provider overflow errors, all without losing the important details of your work.

docs/docs/configure/custom-tools.md

@@ -1,3 +1,8 @@
+---
+title: Custom Tools (TypeScript Plugins) — Altimate Code
+description: "Extend Altimate Code with custom TypeScript plugins. Quick start guide for building and registering your own tools."
+---
+
 # Custom Tools
 
 Create custom tools using TypeScript and the altimate plugin system.

docs/docs/configure/formatters.md

@@ -1,3 +1,8 @@
+---
+title: Formatters — Altimate Code
+description: "Altimate Code auto-formats files after editing using language-specific formatters. See the full list of supported languages."
+---
+
 # Formatters
 
 altimate auto-formats files after editing using language-specific formatters.

docs/docs/configure/governance.md

@@ -1,3 +1,8 @@
+---
+title: Governance & Permissions — Altimate Code
+description: "Task-scoped permissions and deterministic tool guards that keep Altimate Code safe in production data environments."
+---
+
 # Governance
 
 Most people think of governance as a cost — something you bolt on for compliance. In practice, governance makes agents produce **better results**, not just safer ones.

docs/docs/configure/index.md

@@ -1,3 +1,8 @@
+---
+title: Configure Altimate Code
+description: "Configure warehouses, LLM providers, agent modes, and preferences in Altimate Code."
+---
+
 # Configure
 
 Set up your warehouses, LLM providers, and preferences. For agents, tools, skills, and commands, see the [Use](../data-engineering/agent-modes.md) section. For rules, permissions, and context management, see [Governance](rules.md).