docs(readme): add skill token stats section

Amolith created

Add detailed token statistics for each skill including name,
description, body, and references. Provides overall metadata usage
summary to help understand context window consumption.

Assisted-by: GLM 4.7 via Crush <crush@charm.land>

Change summary

README.md | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 154 insertions(+)

Detailed changes

README.md ๐Ÿ”—

@@ -13,6 +13,8 @@ agent capabilities through a standardised format.
 
 ## Available Skills
 
+Refer to [ยง Skill stats](#skill-stats) for a detailed breakdown of each skill's token count, plus overall metadata usage.
+
 - [authoring-skills](skills/authoring-skills/SKILL.md): Creates
   well-structured Agent Skills following best practices. Use when
   writing new skills, reviewing existing skills, or when the user
@@ -140,3 +142,155 @@ complete example workflow.
 
 [amolith/llm-projects]: https://pr.pico.sh/r/amolith/llm-projects
 [pr.pico.sh]: https://pr.pico.sh
+
+## Token stats
+
+Real token stats as reported by [Synthetic.new]'s [/messages/count_tokens] endpoint with [./skill-stats.go](./skill-stats.go).
+
+[Synthetic.new]: https://synthetic.new
+[/messages/count_tokens]: https://dev.synthetic.new/docs/anthropic/messages/count-tokens
+
+```
+=== authoring-skills ===
+
+Token breakdown:
+  Name:           20 tokens
+  Description:    86 tokens
+  Body:         2000 tokens (102 lines)
+  References:
+    checklist.md                               806 tokens
+    patterns.md                               2415 tokens
+    process.md                                 833 tokens
+    specification.md                          3890 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:       10050 tokens
+
+=== creating-tasks-through-lunatask ===
+
+Token breakdown:
+  Name:           30 tokens
+  Description:   108 tokens
+  Body:         1927 tokens (88 lines)
+  References:
+    cli.md                                     589 tokens
+    handoff.md                                2769 tokens
+    installing-lune.md                         176 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        5599 tokens
+
+=== formatting-commits ===
+
+Token breakdown:
+  Name:           22 tokens
+  Description:    98 tokens
+  Body:          796 tokens (38 lines)
+  References:
+    installing-formatted-commit.md             296 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        1212 tokens
+
+=== frontend-accessibility ===
+
+Token breakdown:
+  Name:           20 tokens
+  Description:   140 tokens
+  Body:         2891 tokens (148 lines)
+  References:
+    antipatterns.md                           3638 tokens
+    patterns.md                               6233 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:       12922 tokens
+
+=== handling-customer-data ===
+
+Token breakdown:
+  Name:           22 tokens
+  Description:   123 tokens
+  Body:         1983 tokens (107 lines)
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        2128 tokens
+
+=== invoking-subagents ===
+
+Token breakdown:
+  Name:           20 tokens
+  Description:   113 tokens
+  Body:          796 tokens (13 lines)
+  References:
+    installing-synu.md                         140 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        1069 tokens
+
+=== querying-documentation ===
+
+Token breakdown:
+  Name:           22 tokens
+  Description:   132 tokens
+  Body:          796 tokens (22 lines)
+  References:
+    dependencies.md                            108 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        1058 tokens
+
+=== resolving-secrets ===
+
+Token breakdown:
+  Name:           20 tokens
+  Description:   120 tokens
+  Body:          259 tokens (10 lines)
+  References:
+    installing-opx.md                          125 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:         524 tokens
+
+=== resuming-work-through-lunatask ===
+
+Token breakdown:
+  Name:           30 tokens
+  Description:   113 tokens
+  Body:         1241 tokens (42 lines)
+  References:
+    cli.md                                     528 tokens
+    installing-lune.md                         176 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        2088 tokens
+
+=== scripting-with-go ===
+
+Token breakdown:
+  Name:           20 tokens
+  Description:   120 tokens
+  Body:         1968 tokens (138 lines)
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:        2108 tokens
+
+=== writing-roc-lang ===
+
+Token breakdown:
+  Name:           22 tokens
+  Description:   142 tokens
+  Body:         1846 tokens (117 lines)
+  References:
+    builtins-llms.md                         67881 tokens
+    llms.md                                  11324 tokens
+    scripting.md                              1722 tokens
+  โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€
+  Total:       82937 tokens
+
+============================================================
+SUMMARY
+============================================================
+
+Skills: 11
+Metadata: 1543 tokens
+Combined bodies: 16503 tokens
+Overall: 121695 tokens
+Validation errors: 0
+
+Largest skills (by total tokens):
+  1. writing-roc-lang                         82937 tokens
+  2. frontend-accessibility                   12922 tokens
+  3. authoring-skills                         10050 tokens
+  4. creating-tasks-through-lunatask           5599 tokens
+  5. handling-customer-data                    2128 tokens
+```