fix(qa): define evidence.json where it is built, point the preparation gate at the next section, name measured command durations in the report template

Recurring qa/qa-only workflow-judge complaints in CI (clarity/actionability 3.33).

qa-only/SKILL.md

@@ -464,7 +464,7 @@ the current behavior. Reading old notes never requires writing new ones.
 
 ## Select Surfaces and Isolation
 
-Load the shared preparation gate now: complete its scope and selected-method Reads,
+Load the shared preparation gate now (next section): complete its scope and selected-method Reads,
 await their results, and select the surfaces. Defer charters, clocks and probes to
 Run the Selected Checks, after report ownership and conditional browser setup below.
 

qa-only/SKILL.md.tmpl

@@ -71,7 +71,7 @@ If neither exists, use git diff analysis.
 
 ## Select Surfaces and Isolation
 
-Load the shared preparation gate now: complete its scope and selected-method Reads,
+Load the shared preparation gate now (next section): complete its scope and selected-method Reads,
 await their results, and select the surfaces. Defer charters, clocks and probes to
 Run the Selected Checks, after report ownership and conditional browser setup below.
 

qa-only/sections/exploratory.md

@@ -96,8 +96,8 @@ with their failing contract and expected assertion; never create tests or freeze
 ## 4. Final report
 
 Use the surface report template; link each checkpoint. Separate browser scores, functional outcomes and proposed/executed tests.
-For evidence.json, Write R/annotations.json: {revision, runtime, cwd, evidence: [{capture, command, contract, expected, classification}], learning: [checkpoint IDs], limits}.
-Run `bun Q materialize R annotations.json` before Markdown; Q fills observed/learning, not classifications. Retain all safe probes, including failures/replays; disclose withheld/incomplete evidence.
+Write R/annotations.json: {revision, runtime, cwd, evidence: [{capture, command, contract, expected, classification}], learning: [checkpoint IDs], limits}.
+Before Markdown, `bun Q materialize R annotations.json` builds evidence.json from it; Q fills observed/learning, not classifications. Retain all safe probes, including failures/replays; disclose withheld/incomplete evidence.
 Evidence is invocation-local.
 Missing prerequisites/expectations/observations, timeouts and refusal never pass.
 Pass requires all required current-input contracts to pass with no required remainder.