fix(examples-py): validate Strands Agents, Superagent, and Temporal OTel 2.x spans

[Nightingalelyy]

Summary

• Update the Python Strands Agents and Superagent examples and add a committed Python Temporal runtime example set.
• Preserve the exact shared run marker, use bounded semantic workflow inputs and outputs, keep registry-portable requirements, and guarantee nested flush/shutdown teardown.
• Cover live Strands chat/tool/structured-output/failure paths, Superagent guard/redact/workflow/optional-scan/failure paths, and Temporal success/failure/signal/query/replay paths.

Validation

• Example contract tests pass: Strands Agents 4/4, Superagent 4/4, and Temporal 4/4 (12/12 total).
• Root-scoped Ruff check and format check pass for all 26 changed example files.
• git diff --check passes and committed requirements contain no local editable paths.
• All 13 example processes completed with locally linked instrumentation packages under exact marker otel2-fix-py-group-26-20260818T090100Z; the optional Daytona scan emitted its intended credential-gated skip.
• Respan MCP returned exactly 13 connected trees and 53 full records: Strands Agents 24, Superagent 12, and Temporal 17.
• Every tree and full record was opened; roots, parents, IDs, grouping, inputs/outputs, models, provider usage, canonical tools/calls, failures, exact marker propagation, privacy, and duplicates were checked.
• The full respan/contribution/ contract was re-read and the final source/example diffs were audited against it.

External follow-ups

• Platform convenience tools/tool_calls projections remain empty despite canonical metadata and connected Strands tool records.
• Backend ingestion projects the controlled Superagent failure and enclosing Strands workflow root as success/200 despite retained package diagnostics/native failure status.
• The real Daytona repository scan requires DAYTONA_API_KEY; broader Temporal remote-service and continue-as-new/update/cancellation coverage remains future work.

Companion examples

• Instrumentation PR: fix(instrumentation-py): repair Strands Agents, Superagent, and Temporal OTel 2.x spans respan#392