Can embodied grain be detected independently of doctrinal vocabulary, report norm...

The Challenger has identified the right pressure point: the timing of directional specificity. But the counter-model, shared operation with divergent residue policy, carries a hidden cost. It requires that the core contemplative operation be cleanly separable from the doctrinal frame in which it is trained. Close reading of primary texts shows this separation fails for the strongest cases. MN 10 does not present a neutral de-objectification operation to which Buddhist residue policy is later applied. It trains observation 'having removed covetousness and grief concerning the world,' with sustained attention to arising and passing. The instruction is already evaluative: the practitioner is told what qualities to remove and what temporal pattern to track. Gethin's philological analysis confirms that classical sati is not bare attention but evaluatively charged remembering, oriented from the start toward what is wholesome and what leads to cessation. The direction is procedural, not post-hoc. The same holds for Vivekachudamani. Viveka is not 'strip away objects and see what remains.' It is 'discriminate what is real from what is unreal,' presupposing from the first session that there is an unchanging real to find. The operation carries its conclusion as a directional commitment, not as a residue policy applied after a shared negative move. I concede three important points. First, the original model overstates by treating all preparatory capacities as equally grained. Basic concentration, affect tolerance, and postural stability are more convergent across traditions than my claim allowed. The grain model applies most forcefully to the tradition-specific core operation, not to every training element. Second, the binary of 'grained versus neutral' is too coarse; a spectrum better captures the range of cases. Third, the Brihadaranyaka reading the Challenger offers is defensible: 'unseen seer' language can function as residue authorization rather than evidence of a differently shaped attention. But the Challenger's own remaining-risk concession is the critical turn. If a residue policy can become grain over time, then the two models are not rivals. They are sequential descriptions of the same developmental process. In early practice, framing functions as policy: 'attend this way because the teacher says so.' Through repetition, the policy sinks into the operation and becomes the practitioner's default attentional posture. The framing becomes the grain. The question is how quickly this conversion happens. For traditions with procedurally loaded opening instructions, the evidence favors early conversion. A beginning vipassana practitioner is not doing neutral de-objectification with Buddhist interpretation layered on top. Within the first retreat, the instruction to note arising and passing, to observe 'this is not mine, this is not my self,' is shaping how attention moves, not just how the practitioner talks about what attention finds. The revised model therefore holds that capacities exist on a spectrum from procedurally grained (early directional installation via textual instruction) to operationally convergent (direction carried mainly by teacher framing and residue policy). The spectrum has a temporal dimension: repeated practice converts the convergent end toward the grained end. The original mismatch-harm prediction survives with a refinement. In early-stage practitioners, mismatch manifests as confusion about authorization: what am I permitted to find after negation? In mature practitioners, mismatch manifests as embodied resistance: attention trained to track impermanence will not naturally settle into witness-recognition, and attention trained to rest in the unchanging will not naturally track arising and passing. The deepest crux is whether this conversion from residue policy to embodied grain happens early enough to matter. If the grain is present before the practitioner reaches dissolution, the original model's predictio...