Release v8.2.0

• fix: protect unbound array variables in AgentTeams and Ralph scripts (4a9b8a6)
• fix(ci): protect unbound CLAUDE_CONFIG_DIR and add symbols.js tests (83649ff)
• fix(ci): remove set -euo pipefail from sourced library, protect unbound vars (f52422e)
• fix(ci): remove erroneous set -euo pipefail and sync package-lock.json (79ae469)
• fix(ci): use POSIX-compatible commands in shellcheck alpine container (3e8fa2e)
• fix(ci): repair 4 pre-existing CI workflow failures (5bb6318)
• test: update Common namespace count after getting-started i18n addition (d8572ee)
• fix(i18n): add missing getting-started command to en/es/de/pt (50f2e10)
• fix: repair install script IFS bug and sync settings templates (229e0e9)
• docs: update all documentation and guides for v8.2.0 (92e4b09)
• chore(release): v8.2.0 (f61f4b7)
• chore: remove internal audit docs from version control (93692a3)
• feat(audit): deliver phase 5 innovation & growth specifications (e85784f)
• feat(audit): deliver phase 4 differentiation & ecosystem (4a077b4)
• feat(audit): deliver phase 3 DX & ergonomie (9867585)
• feat(audit): deliver phase 2 quality & performance (5676360)
• feat(audit): deliver phase 1 stabilisation & fondations (0e24b19)
• fix(templates): correct settings.json schema, spinnerVerbs and hooks (3ca4fe6)
• docs(audit): clarify TODO/FIXME scope in architecture report (ab0c990)
• feat(audit): deliver phase 5 evolution actions (automatable scope) (87ad59e)
• feat(audit): deliver phase 4 domination actions (automatable scope) (ac333d8)
• feat(audit): deliver phase 3 differentiation actions (automatable scope) (253eb33)
• feat(audit): deliver phase 2 stabilisation actions (automatable scope) (0c05e7e)
• feat(audit): deliver phase 1 survival actions (P0 blockers) (b5f6809)