chore(cleanup): remove the June trials, orchestrator docs, dormant agent, caller-less code and the fix-round chain

R4-R7 of the cleanup list (decision 188): the June trial docs and
fixtures, the three orchestrator reference docs, the dormant
synthesis-agent, code with no caller (project-discovery, bash-normalize,
fidelity-diff, test-census, the next-session prompt validator, arm B and
the --workflow flag) and the fix-round chain. Living docs repointed; the
reasons for in-session orchestration and the all-opus pin are now written
in docs/architecture.md and docs/profiles.md.

New tests/lib/living-paths.test.mjs: living tracked text names only
plugin paths that exist (seen red with 22 dead pointers before this
commit). docs/T1-cc26-delegated-orchestration.md and
lib/review/gold-scorer.mjs stay until R-b: the frozen end-state registry
names them.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

hooks/lib/bash-view.mjs

@@ -5,7 +5,7 @@
 // way. Behavior unchanged from the inline copy.
 //
 // Bash normalization from llm-security/scanners/lib/bash-normalize.mjs (MIT,
-// same author); lib/parsers/bash-normalize.mjs keeps the test-suite copy.
+// same author).
 
 // Strips bash evasion techniques: empty quotes, ${} expansion, backslash splitting.
 export function normalizeBashExpansion(cmd) {

hooks/scripts/pre-agent-cap.mjs

@@ -151,7 +151,7 @@ if (!Number.isFinite(startedAt) || Date.now() - startedAt > ttlMs) {
 const ledgerPath = resolveLedgerPath(env);
 
 // 7. Same bound the primitive uses: turns-per-dimension × the whole dimension
-//    list under settings.json:16's maxDimensions ceiling.
+//    list under the maxDimensions: 8 ceiling.
 const budget = resolveMaxConvTurns(env) * MAX_TOTAL_DIMENSIONS;
 
 let ledger;