feat(directives): scavenge from intent_dsl_survey + handoffs/: 5 directives

conductor/directives/intent_signal_postfix_not_xml/meta.md

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+# intent_signal_postfix_not_xml
+
+## v1
+
+**Why this iteration:** Lifted from `conductor/tracks/intent_dsl_survey_20260612/spec.md:92-93` (Cluster 3 — "nagent's tag protocol — mentioned but explicitly rejected (no XML angle brackets, no JSON blobs)") + `conductor/tracks/intent_dsl_survey_20260612/spec.md:50` (Non-Goals: "ignore its record formats as they problably will be less xml/json based as I don't like them"). The rejection is explicit and user-stated, not an oversight.
+**Source:** `conductor/tracks/intent_dsl_survey_20260612/spec.md:50 + 92-93`
+
+---
+**Lifted:** 2026-07-02 (scavenge pass — directive library expansion from intent_dsl_survey track)

conductor/directives/intent_signal_postfix_not_xml/v1.md

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+# Intent DSL signals use non-XML postfix notation — XML angle brackets and JSON record blobs are explicitly rejected
+
+## The signal format
+
+The project's intent DSL (per `conductor/tracks/intent_dsl_survey_20260612/`) uses postfix and infix symbols for signals, not XML or JSON record formats. Examples:
+
+- `->` (between verbs) — pipeline flow: output of left → input of right
+- `<-` (after a verb) — input binding: the right side is the producer
+- `[ ]` — basic block (Onat's compilation unit, no branching semantics)
+- `arena { }` — arena-scoped block (tape-drive region)
+- `try { ... } recover { ... }` — error envelope returning `Result[T]`
+
+Per `conductor/tracks/intent_dsl_survey_20260612/spec.md:92-93`: "nagent's tag protocol — mentioned but explicitly rejected (no XML angle brackets, no JSON blobs)."
+
+Per `conductor/tracks/intent_dsl_survey_20260612/spec.md:50`: "Not adopting XML/JSON record formats. Per the user: 'ignore its record formats as they problably will be less xml/json based as I don't like them.'"
+
+## Why
+
+XML angle brackets (`<nagent-shell>...</nagent-shell>`) and JSON record blobs (`{"name": "read_file", "args": {...}}`) require string-escaping discipline the LLM is bad at. The non-XML postfix/infix notation survives AI-fuzzing: indentation drift, line-offset drift, and verb-name drift do not break the parser because the symbols are short, distinct, and the parser uses token positions, not line numbers.
+
+## What this means in practice
+
+- New DSL primitives use postfix/infix symbols, not XML tags.
+- A new "tag-like" protocol MUST NOT be introduced in this project without checking against the intent_dsl_survey spec.
+- The bridge script (translating DSL to function calls) parses symbols, not XML/JSON.