Add help view and core memory styles

- Introduced styles for the help view including tab transitions, accordion animations, search highlighting, and responsive design.
- Implemented core memory styles with modal base styles, memory card designs, and knowledge graph visualization.
- Enhanced dark mode support across various components.
- Added loading states and empty state designs for better user experience.

.claude/workflows/context-tools.md

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+## MCP Tools Usage
+
+### smart_search - Code Search (REQUIRED)
+
+**When**: Find code, understand codebase structure, locate implementations
+
+**How**:
+```javascript
+smart_search(query="authentication logic")           // Auto mode (recommended)
+smart_search(action="init", path=".")                // First-time setup
+```
+
+**Modes**: `auto` (intelligent routing), `hybrid` (best quality), `exact` (FTS)
+
+---
+
+### read_file - Read File Contents
+
+**When**: Read files found by smart_search
+
+**How**:
+```javascript
+read_file(path="/path/to/file.ts")                   // Single file
+read_file(path="/src/**/*.config.ts")                // Pattern matching
+```
+
+---
+
+### edit_file - Modify Files
+
+**When**: Built-in Edit tool fails or need advanced features
+
+**How**:
+```javascript
+edit_file(path="/file.ts", old_string="...", new_string="...", mode="update")
+edit_file(path="/file.ts", line=10, content="...", mode="insert_after")
+```
+
+**Modes**: `update` (replace text), `insert_after`, `insert_before`, `delete_line`
+
+---
+
+### write_file - Create/Overwrite Files
+
+**When**: Create new files or completely replace content
+
+**How**:
+```javascript
+write_file(path="/new-file.ts", content="...")
+```
+
+---
+
+### Exa - External Search
+
+**When**: Find documentation/examples outside codebase
+
+**How**:
+```javascript
+mcp__exa__search(query="React hooks 2025 documentation")
+mcp__exa__search(query="FastAPI auth example", numResults=10)
+mcp__exa__search(query="latest API docs", livecrawl="always")
+```
+
+**Parameters**:
+- `query` (required): Search query string
+- `numResults` (optional): Number of results to return (default: 5)
+- `livecrawl` (optional): `"always"` or `"fallback"` for live crawling