Pandion v0.7.0

Changelog

• 2434b86 feat: DigitalOcean GPU Droplets — GPUProvider on the existing DO backend (#89)
• 7219a8d feat: GPU idle dead-man + teardown receipt + ls GPU columns (G2) (#84) (#84)
• f188b74 feat: GPU seam (G0) — --gpu flag, GPUProvider interface, list-gpus (#82) (#82)
• 24b73f4 feat: Lambda Cloud GPU provider (G1) — offline-tested, CLI-wired (#83) (#83)
• 1b2dac5 feat: down reads provider from cluster manifest (no repeated --provider) (#77)
• 67bda86 feat: pandion build [dir] — auto-detect toolchain, upload + build in the cloud (#79)
• f8f0304 feat: up honors defaults.{region,size,ttl} from config; --size/--region flags (#78)
• 83c79fb feat: wire --profile / $PANDION_PROFILE through all commands (#80) (#80)
• e7c7617 fix(cli): wire lambda into the up dispatch; fail loud on unwired provider (#86) (#86)
• c439e47 fix(harden): disable_root=false so root SSH works on Lambda/OCI (#87) (#87)
• 933e832 fix(lambda): treat terminating instances as gone; validate G1 live (#85) (#85)
• 08b615b fix(script): lockdown takes only --id (provider from manifest) (#88)
• 2b58e92 release: 0.7.0 — GPU support (Lambda + DO Droplets), profiles (#91)
• ca88003 test(script): add scripts/e2e_do_gpu.sh — DO GPU Droplet e2e runner (#90)