docs(sync): update sync command to target docs/solutions and rename section to Answer

.omp/commands/sync-solutions.md

@@ -1,18 +1,18 @@
 ---
-description: Sync work/ leetcode solutions into docs/reference/ pages (gold standard format)
+description: Sync work/ leetcode solutions into docs/solutions/ pages (gold standard format)
 ---
 
-Sync every leetcode solution under `work/` into a docs page under `docs/reference/`, formatted exactly like the gold standard `docs/reference/01-reverse-string.mdx`. Extra focus (optional): $@
+Sync every leetcode solution under `work/` into a docs page under `docs/reference/`, formatted exactly like the gold standard `docs/solutions/01-reverse-string.mdx`. Extra focus (optional): $@
 
 ## Inventory
 
 1. Glob `work/**/*.js`. Each filename is `<number>.<kebab-slug>.js`; the directory path is `work/<Difficulty>/<Category>/`.
-2. Glob `docs/reference/*.mdx`. A solution is already ported when a page's frontmatter title starts with the same leetcode number (`title: '<number>. …'`). Numeric filename prefixes (`01-`, `02-`, …) define sidebar order — never renumber existing pages.
+2. Glob `docs/solutions/*.mdx`. A solution is already ported when a page's frontmatter title starts with the same leetcode number (`title: '<number>. …'`). Numeric filename prefixes (`01-`, `02-`, …) define sidebar order — never renumber existing pages.
-3. Build the todo list: one task per unported solution, plus one task per already-ported page whose `## Solution` code block no longer matches its `work/` source verbatim (update just the code block in that case).
+3. Build the todo list: one task per unported solution, plus one task per already-ported page whose `## Answer` code block no longer matches its `work/` source verbatim (update just the code block in that case).
 
 ## Target path
 
-`docs/reference/<NN>-<kebab-slug>.mdx` where `<NN>` is the next unused two-digit prefix (continue from the highest existing one, in ascending leetcode-number order for the new batch) and `<kebab-slug>` is the slug from the work filename.
+`docs/solutions/<NN>-<kebab-slug>.mdx` where `<NN>` is the next unused two-digit prefix (continue from the highest existing one, in ascending leetcode-number order for the new batch) and `<kebab-slug>` is the slug from the work filename.
 
 ## Page format — copy the gold standard exactly
 
@@ -41,7 +41,7 @@ sidebar:
 
 - `<constraint>` (inline code; keep plain prose like "nums is sorted…" with only identifiers in backticks)
 
-## Solution
+## Answer
 
 ```js
 <the JSDoc comment and function from the work file, byte-for-byte verbatim — do not reformat, rename, or "improve" the code>
@@ -58,7 +58,7 @@ Rules:
 
 ## Verify
 
-1. `bunx blume build --isolated` must succeed with no new warnings; confirm each new route generated (`/reference/<slug>`).
+1. `bunx blume build --isolated` must succeed with no new warnings; confirm each new route generated (`/solutions/<slug>`).
 2. Spot-check one new page's built HTML for the badge, callout (when present), and solution code.
 3. `rm -rf .blume-verify` when done.