Merge pull request #2 from push-based/add-cpu-prof

Author: BioPhoton

.cpu-prof-env

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+# CPU Profiling Configurations
+
+# CI
+# Node >=22
+NODE_OPTIONS="--cpu-prof --cpu-prof-dir=/Users/michael_hladky/WebstormProjects/nx-advanced-perf-logging/cpu-profiles"
+
+# Node <22
+# NODE_OPTIONS="--require cpu-prof.js"
+
+# ESLINT Profile summary
+TIMING=true

.cursor/rules/toc.mdc

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+---
+description: 
+globs: 
+alwaysApply: false
+---
+## Update ToC -> `grep`-Sync Markdown TOC
+
+**1. Get Headings:**
+
+```bash
+grep -n "^##\\+ " your-file.md
+```
+
+(`-n`=line numbers; `^##\\+ `=headings H2-H6).
+
+**2. Analyze & Rebuild TOC:**
+Compare `grep` output to your TOC in `your-file.md`. Edit TOC to match `grep` data:
+
+- **Hierarchy Mapping (from `grep` `^##\\+ ` to TOC indent):**
+  - `##`: `**[Text](#link)**` (0 spaces indent)
+  - `###`: `- [Text](#link)` (2 spaces indent)
+  - `####`: `- [Text](#link)` (4 spaces indent)
+  - (etc., +2 spaces/level, no `**`)
+- **Anchor Links (`#link`):** Lowercase heading, spaces to hyphens.
+
+**Example Fix (`cpu-profiling.md` "Data Structure" section):**
+`grep` showed `### Dimensions and Time` under `## Data Structure`.
+TOC changed from:
+
+```markdown
+- **[Data Structure](#data-structure)**
+- **[Dimensions and Time](#dimensions-and-time)**
+```
+
+To (correctly nested):
+
+```markdown
+- **[Data Structure](#data-structure)**
+  - [Dimensions and Time](#dimensions-and-time)
+```