chore: bump version to 0.6.8

feat: display repo and branch info in plan document (#117)

feat: add mermaid.js diagram rendering support (#116)

fix: clean up old Windows install locations from bash script

fix: explicitly delete old binary before install

fix: clean up old Windows install locations (#101)

fix(opencode-plugin): exclude sub-agents and build agent from prompt injection (#98)

chore: bump version to 0.6.7

feat: add Comment mode and type-to-comment shortcut (#93) (#97)

fix: smart detection for agent switching in OpenCode (#96)

fix: use primary_tools config for sub-agent blocking (#95)

chore: bump version to 0.6.6

fix: OpenCode plugin updates (CVE + sub-agent fix) (#90)

chore: bump version to 0.6.5

fix: increase hook timeout to 4 days (#88)