feat: vendor midstream and sublinear-time-solver libraries (#109)

Add ruvnet/midstream (AIMDS real-time inference) and
ruvnet/sublinear-time-solver (sublinear optimization algorithms)
as vendored dependencies under vendor/.

vendor/sublinear-time-solver/.claude/commands/github/code-review.md

@@ -0,0 +1,25 @@
+# code-review
+
+Automated code review with swarm intelligence.
+
+## Usage
+```bash
+npx claude-flow github code-review [options]
+```
+
+## Options
+- `--pr-number <n>` - Pull request to review
+- `--focus <areas>` - Review focus (security, performance, style)
+- `--suggest-fixes` - Suggest code fixes
+
+## Examples
+```bash
+# Review PR
+npx claude-flow github code-review --pr-number 456
+
+# Security focus
+npx claude-flow github code-review --pr-number 456 --focus security
+
+# With fix suggestions
+npx claude-flow github code-review --pr-number 456 --suggest-fixes
+```