Add project exhibition, development logs, and complete master README

.labyricorn/README.md

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+# Labyricorn Publishing Space for ThinkStorm
+
+This directory contains the authoritative publishing records for ThinkStorm's project exhibition and public development log on Labyricorn.
+
+## Directory Structure
+
+```
+.labyricorn/
+├── agents.md          # Top-level publishing and synchronization guidelines
+├── README.md          # Overview of the Labyricorn publishing space
+├── project/           # Project exhibition page
+│   ├── AGENTS.md      # Project exhibition rules
+│   └── contents.lr    # Lektor project exhibition record
+└── devlog/            # Public development log
+    ├── AGENTS.md      # Devlog authoring rules
+    ├── contents.lr    # Devlog index record
+    └── <slug>/        # Chronological development milestone entries
+        └── contents.lr
+```
+
+## Maintenance Rules
+
+- **Authoritative Source**: Content defined here is mirrored by the Labyricorn publishing engine.
+- **Lektor Records**: Content uses `schema_version: 1` and Lektor record format (`contents.lr`).
+- **No Secrets**: Never store API tokens, passwords, or credentials in this directory.