release: v0.8.0

[pbertsch]

Summary

Releases v0.8.0 — Studio recorder, AI chat (BYOK), and the batched v0.7.1 polish that ships here instead of as a separate release.

What's in v0.8.0

New in this release cycle:

• ● Record button (⌘⇧R) — interactive ProbeScript recorder, streams steps to editor in real time
• ✦ AI Chat pane (⌘⇧A) — BYOK Anthropic key, claude-sonnet-4-6, full file context, running cost counter, platform keychain storage (macOS / Windows / Linux)

Carried from v0.7.1 batch (PR #92):

• WiFi token memory in localStorage
• Workspace settings overlay (⚙ button → probe.yaml editor)
• Diagnostics polish (actionable error hints, inspector search, status tooltips)
• 8 security dep bumps (vite, @vscode/vsce, golang.org/x/crypto and friends)

Version bumps

• probe_agent/pubspec.yaml: 0.7.0 → 0.8.0
• vscode/package.json: 0.7.0 → 0.8.0
• docs/wiki/Home.md: current version → 0.8.0

Test plan

• go build ./... passes
• go test ./... passes (all packages green)
• cd studio && go build . passes
• CHANGELOG.md has [0.8.0] section with correct date
• probe_agent version is 0.8.0
• VSCode package.json version is 0.8.0