Docs: add nav titles across docs (#5689)

docs/experiments/onboarding-config-protocol.md

@@ -1,6 +1,7 @@
 ---
 summary: "RPC protocol notes for onboarding wizard and config schema"
 read_when: "Changing onboarding wizard steps or config schema endpoints"
+title: "Onboarding and Config Protocol"
 ---
 
 # Onboarding + Config Protocol

docs/experiments/plans/cron-add-hardening.md

@@ -3,6 +3,7 @@ summary: "Harden cron.add input handling, align schemas, and improve cron UI/age
 owner: "openclaw"
 status: "complete"
 last_updated: "2026-01-05"
+title: "Cron Add Hardening"
 ---
 
 # Cron Add Hardening & Schema Alignment

docs/experiments/plans/group-policy-hardening.md

@@ -2,6 +2,7 @@
 summary: "Telegram allowlist hardening: prefix + whitespace normalization"
 read_when:
   - Reviewing historical Telegram allowlist changes
+title: "Telegram Allowlist Hardening"
 ---
 
 # Telegram Allowlist Hardening

docs/experiments/plans/openresponses-gateway.md

@@ -3,6 +3,7 @@ summary: "Plan: Add OpenResponses /v1/responses endpoint and deprecate chat comp
 owner: "openclaw"
 status: "draft"
 last_updated: "2026-01-19"
+title: "OpenResponses Gateway Plan"
 ---
 
 # OpenResponses Gateway Integration Plan

docs/experiments/proposals/model-config.md

@@ -2,6 +2,7 @@
 summary: "Exploration: model config, auth profiles, and fallback behavior"
 read_when:
   - Exploring future model selection + auth profile ideas
+title: "Model Config Exploration"
 ---
 
 # Model Config (Exploration)

docs/experiments/research/memory.md

@@ -4,6 +4,7 @@ read_when:
   - Designing workspace memory (~/.openclaw/workspace) beyond daily Markdown logs
   - Deciding: standalone CLI vs deep OpenClaw integration
   - Adding offline recall + reflection (retain/recall/reflect)
+title: "Workspace Memory Research"
 ---
 
 # Workspace Memory v2 (offline): research notes