feat: add 2026-02-11 weekly meeting notes (#17)

meetings/2026-02-11_weekly.md

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+# 2026-02-11 Transports WG (Weekly)
+
+## TL;DR
+The meeting, facilitated by Mark Roth, focused on reviewing three in-flight
+Specification Enhancement Proposals (SEPs) to prepare them for the core
+maintainers. The group approved Shaun Smith's SEP to disallow unsolicited
+server-to-client requests, pending a clear definition of "associated" requests.
+Mike Kistler's HTTP Standardization SEP was also approved with modifications,
+specifically making schema validation optional for custom parameters on
+intermediate servers. Lastly, Luca Chang's Task Progress SEP faced pushback
+regarding the deprecation of SSE progress notifications; the group agreed to
+amend the SEP to add progress capabilities to tasks without removing the
+existing SSE mechanism, but will review the revised proposal again next week
+before advancing it.
+
+## Detailed Summary
+
+### Process & General Updates
+* **Facilitation:** Mark Roth facilitated the meeting as Kurtis Van Gent was
+  driving. 
+* **Agent Contexts:** Kryspin Ziemski briefly shared concepts for agents
+  utilizing dynamic resources and stateful code modes to predict cause and
+  effect.
+* **MRTR Next Steps:** Mark Roth will meet with Caitie McCaffrey and Gabriel
+  Zimmerman on Friday to resolve open questions on the Multi-Round Trip Request
+  (MRTR) proposal.
+
+### Technical Decisions: Sampling & Elicitation SEP
+* **Scope & Ambiguity:** Shaun Smith presented an SEP to clarify that
+  server-initiated requests (like sampling and elicitation) cannot be
+  unsolicited. Mike Kistler clarified that this applies to *all*
+  server-initiated requests, not just sampling and elicitation.
+* **Defining Association:** Debate arose over how to associate server requests
+  with client requests, especially for the standard IO transport. The group
+  agreed to explicitly define "associated" in the SEP, meaning the server
+  request must supply a matching JSON RPC request ID from the client.
+* **Decision:** The SEP was approved with changes to advance to the core
+  maintainers. Shaun Smith will update the wording and coordinate with Mike
+  Kistler.
+
+### Technical Decisions: HTTP Standardization SEP
+* **Validation Requirements:** Mike Kistler's SEP regarding HTTP headers was
+  reviewed. The primary debate focused on whether intermediate servers (like
+  load balancers) cracking the payload must validate custom headers against
+  schemas they might not have access to.
+* **Decision:** The group agreed that if a server modifies or processes the
+  payload, it must validate standard parameters. However, validating custom
+  parameters is optional if the server lacks the schema; it can simply pass them
+  along. The SEP was approved with these changes, and Kurtis Van Gent agreed to
+  sponsor it.
+
+### Technical Decisions: Task Progress SEP
+* **Deprecating SSE:** Luca Chang presented an SEP to move progress
+  notifications to the Tasks API and deprecate the current SSE-based progress
+  mechanism.
+* **Pushback:** Significant objections came from Shaun Smith, Stephen Halter,
+  and Simon Russell. They argued that removing SSE progress notifications breaks
+  low-stakes, real-time use cases (e.g., multimodal inference, sub-agents,
+  streaming results) where setting up a persistent Task is too heavyweight.
+* **Decision:** Mark Roth proposed modifying the SEP to *only add* progress
+  notifications to tasks, abandoning the removal of the old SSE mechanism for
+  now. Luca agreed. Caitie McCaffrey requested to review this revised proposal
+  next week before it goes to the core maintainers.
+
+## Action Items
+- [ ] **Shaun Smith** to update the Sampling/Elicitation SEP with the agreed
+  definition of "associated", sync with Mike Kistler, and move the PR to the
+  main repo by Friday.
+- [ ] **Mike Kistler** to address comments on the HTTP Standardization PR,
+  update the validation rules for custom parameters, and move the PR to the main
+  repo by Friday.
+- [ ] **Luca Chang** to update the Task Progress SEP by Friday to only add
+  progress to tasks without removing the old SSE mechanism.
+- [ ] **Group** to review Luca's updated Task Progress SEP asynchronously on
+  Monday and Tuesday.
+- [ ] **Mark Roth** to add the revised Task Progress SEP and the MRTR proposal
+  to next week's agenda.