Add independent-agent SWE prompt-ablation pilot

experiments/swe-population-pilot-10-v3/README.md

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+# SWE population pilot 10 v3
+
+This frozen developmental bundle reuses v2's ten tasks and changes only the policy
+suffix: it keeps `**DO NOT MODIFY THE TESTS.**` and removes the extra stop/carve-out
+instruction. It creates fresh identities and stores when executed.
+
+Validate the bundle offline:
+
+```sh
+just validate
+```
+
+`just start` first creates or validates the hashed four-cell readiness evidence for
+all ten tasks using only the remote Docker daemon. It stops before the paid runner
+if any prerequisite fails. Once they pass, the same command continues through the
+complete unattended run, report, verification, and resource lifecycle:
+
+```sh
+just start
+```
+
+Only Docker operations use the required remote x86-64 daemon. Source, credentials,
+logs, public posts, and private organizer feedback remain on this workstation.