refactor: rename command files for namespace consistency

BREAKING CHANGE: All generic command names now prefixed with plugin namespace.
See CHANGELOG.md v7.0.0 for complete rename map.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

plugins/data-platform/commands/data-profile.md

@@ -0,0 +1,38 @@
+# /profile - Data Profiling
+
+## Skills to Load
+- skills/data-profiling.md
+- skills/mcp-tools-reference.md
+- skills/visual-header.md
+
+## Visual Output
+
+Display header: `DATA-PLATFORM - Data Profile`
+
+## Usage
+
+```
+/profile <data_ref>
+```
+
+## Workflow
+
+Execute `skills/data-profiling.md` profiling workflow:
+
+1. **Get data reference**: Use `list_data` if none provided
+2. **Generate profile**: Use `describe` for statistics
+3. **Quality assessment**: Identify null columns, potential issues
+4. **Report**: Statistics, types, memory usage, quality score
+
+## Examples
+
+```
+/profile sales_data
+/profile df_a1b2c3d4
+```
+
+## Required MCP Tools
+
+- `describe` - Get statistical summary
+- `head` - Preview first rows
+- `list_data` - List available DataFrames