Sync docs with we-promise/sure: MCP tools and AI hosting

[mintlify]

Updates documentation based on the latest push to we-promise/sure (commit bfe360b — "Harden Codex Cloud environment setup and docs updates").

development/mcp.mdx

• Added get_recurring_transactions and get_merchants to the read tools table
• Added update_budget to the create/update tools table
• Clarified search_family_files note about Statement Vault vs vector-store index
• Added new "Preview tools" section covering Statement Vault tools (upload_account_statement, list_account_statements, get_account_statement, get_statement_coverage), valuation tools (record_valuation, get_valuations), and get_insights

self-hosting.mdx

• Added "AI features, external assistant, and Pipelock" section: compose.ai.yml setup, external assistant env vars, OpenClaw profile, Pipelock proxy overview
• Added "Local development bind" section documenting BINDING env var and devcontainer default

[mintlify]

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Project	Status	Preview	Updated (UTC)
sure	🟢 Ready	View Preview	Aug 24, 2026, 3:44 AM

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